Cited by 409Climate Change Communication and PerceptionClimate Change Policy and EconomicsElectoral Systems and Political Participation

"Global warming" or "climate change"?: Whether the planet is warming depends on question wording

Schuldt, J. P., Konrath, S. H., Schwarz, N.·2011·Public Opinion Quarterly

Abstract

In public discourse and survey research, global climate change is sometimes referred to as “global warming” and sometimes as “climate change.” An analysis of web sites of conservative and liberal think tanks suggests that conservatives prefer to use the term “global warming” whereas liberals prefer “climate change.” A question wording experiment (N = 2267) illustrates the power of these frames: Republicans were less likely to endorse that the phenomenon is real when it was referred to as “global warming” (44.0%) rather than “climate change” (60.2%), whereas Democrats were unaffected by question wording (86.9% vs. 86.4%). As a result, the partisan divide on the issue dropped from 42.9 percentage points under a “global warming” frame to 26.2 percentage points under a “climate change” frame. Theoretical and methodological implications are discussed.

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Crossref · 10.1093/poq/nfq073

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  • Findingown data
    § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'')

    Others showed a small and non-significant wording effect: 77.1% endorsed high belief under 'climate change' vs 68.3% under 'global warming' (chi-square(1, n=212)=2.12, ns).

    “and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ).”
    Quote in the paperNot a substantial claim
  • Findingown data
    § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'')

    Independents showed a small and non-significant wording effect: 74.0% endorsed high belief under 'climate change' vs 69.5% under 'global warming' (chi-square(1, n=514)=1.27, ns).

    “Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns )”
    Quote in the paperNot a substantial claim
  • Findingown data
    § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'')

    Overall, respondents reported lower belief in the phenomenon when the question referred to 'global warming' rather than 'climate change' (67.7% vs 74.0% high belief; M=5.05 vs 5.30; chi-square(1, N=2261)=10.66, p=.001; F(1,2253)=10.76, p<.01).

    “As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001).”
    • Also stated in: § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'') · plain
      “belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01”
    Quote in the paperSubstantial claim
  • Findingown data
    § ' 'GLOBAL WARMING'' OR ''CLIMATE CHANGE''? WHETHER THE PLANET IS WARMING DEPENDS ON QUESTION WORDING

    The partisan divide on whether global climate change is really happening dropped from 42.9 percentage points under 'global warming' framing to 26.2 percentage points under 'climate change' framing.

    “As a result, the partisan divide on the issue dropped from 42.9 percentage points under a ''global warming'' frame to 26.2 percentage points under a ''climate change'' frame.”
    • Also stated in: § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'') · plain
      “As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing.”
    Quote in the paperSubstantial claim
  • Findingown data
    § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'')

    No other political group (Democrats, Independents, Others) was significantly affected by the wording manipulation (Fs<1.74, ns).

    “no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ).”
    Quote in the paperSubstantial claim
  • May combine two claims. 17
  • The quote only partly states this claim. 1
  • Classified as probably not a substantial claim. 20
  • May combine two claims.

    Findingown data
    § ' 'GLOBAL WARMING'' OR ''CLIMATE CHANGE''? WHETHER THE PLANET IS WARMING DEPENDS ON QUESTION WORDING

    Republicans were less likely to endorse that the phenomenon is real when it was referred to as 'global warming' (44.0%) rather than 'climate change' (60.2%), a wording effect of 16.2 percentage points (chi-square(1, n=732)=19.60, p<.001); mean belief was lower for 'global warming' (M=3.95) than 'climate change' (M=4.62), p<.001.

    “Republicans were less likely to endorse that the phenomenon is real when it was referred to as ''global warming'' (44.0%) rather than ''climate change'' (60.2%)”
    • Also stated in: § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'') · plain
      “60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001).”
    • Also stated in: § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'') · plain
      “Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons)”
    Quote in the paperSubstantial claim
  • May combine two claims. The quote only partly states this claim.

    Findingown data
    § ' 'GLOBAL WARMING'' OR ''CLIMATE CHANGE''? WHETHER THE PLANET IS WARMING DEPENDS ON QUESTION WORDING

    Democrats were unaffected by question wording: 86.9% endorsed high belief under 'global warming' vs 86.4% under 'climate change' (chi-square(1, n=803)<1, ns); mean belief was 5.94 in both conditions.

    “whereas Democrats were unaffected by question wording (86.9% vs. 86.4%)”
    • Also stated in: § Results and discussion Recall that we expected belief in the existence of global climate change to be lower when the phenomenon was referred to as ''global warming'' rather than ' 'climate change,' ' especially among Republican respondents. As shown in Table 2, overall, 74.0% of respondents endorsed a value of 5 or above (implying that they believed the phenomenon to be real) when the question referred to ' 'climate change.' ' Only 67.7% did so when it referred to ' 'global warming,' ' resulting in an overall wording effect of 6.3 percentage points ( v 2 (1, N ¼ 2261) ¼ 10.66, p ¼ .001). A breakdown by political self-identification reveals that this pattern is driven by Republican respondents: 60.2% of Republicans endorsed a value of 5 or above when the question referred to ' 'climate change,' ' whereas only 44.0% did so when it referred to ' 'global warming,' ' resulting in a wording effect among Republicans of 16.2 percentage points ( v 2 (1, n ¼ 732) ¼ 19.60, p < .001). Put otherwise, a majority of Republicans endorsed that ' 'climate change'' is real (60.2% provided ratings of 5 or above) but doubted that ' 'global warming'' is real (56.0% provided ratings of 4 or below). In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ). As a result, the partisan divide on whether global climate change is really happening drops from 42.9 percentage points under ''global warming'' framing to 26.2 percentage points under ''climate change'' framing. Finally, Independents and Others showed only small and non-significant wording effects: 74.0% of Independents endorsed 5 or above for ''climate change'' whereas 69.5% did so for ''global warming'' ( v 2 (1, n ¼ 514) ¼ 1.27, ns ), and 77.1% of Others endorsed 5 or above for ''climate change'' whereas 68.3% did so for ''global warming'' ( v 2 (1, n ¼ 212) ¼ 2.12, ns ). A 2 (Condition: ''global warming'' vs. ''climate change'') x 4 (Political selfidentification: Democrat, Republican, Independent, or Other) between-subjects ANOVA tested for corresponding effects on mean levels of belief. Reiterating the above observations, belief in the phenomenon was significantly lower when the question referred to ''global warming'' ( M ¼ 5.05, SD ¼ 1.90) rather than ' 'climate change' ' ( M ¼ 5.30, SD ¼ 1.74); F (1, 2253) ¼ 10.76, p < .01, for the main effect of question wording. In addition, a main effect of political selfidentification emerged ( F (3, 2253) ¼ 121.89, p < .001), and post-hoc contrasts revealed that Democrats reported significantly greater belief ( M ¼ 5.94, SD ¼ 1.37) than all other groups, whereas Republicans ( M ¼ 4.29, SD ¼ 1.93) reported significantly less belief than all other groups ( p s < .001, Bonferonni correction for multiple comparisons); Independents and Others fell in between ( M ¼ 5.18, SD ¼ 1.81 and M ¼ 5.27, SD ¼ 1.72, respectively). More importantly, the predicted interaction of question wording with political self-identification was significant, F (3, 2253) ¼ 5.32, p ¼ .001. Specifically, Republicans were less likely to believe that ' 'global warming' ' is real ( M ¼ 3.95, SD ¼ 1.96) than that ' 'climate change'' is real ( M ¼ 4.62, SD ¼ 1.84) ( p < .001, Bonferonni correction for multiple comparisons); no other political group was significantly affected by the wording manipulation ( F s < 1.74, ns ). These effects remained significant when controlling for personal background variables; importantly, the influence of question wording was not moderated by any of them Table 2. Distribution of Existence Beliefs by Political Self-identification and Question Wording (GW ¼ ''global warming''; CC ¼ ''climate change'') · plain
      “In contrast, Democrats were unaffected by the framing manipulation: 86.4% of Democrats endorsed a value of 5 or above for ''climate change'' and 86.9% did so for ''global warming'' ( v 2 (1, n ¼ 803) < 1, ns ).”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Findingown data
    § ' 'GLOBAL WARMING'' OR ''CLIMATE CHANGE''? WHETHER THE PLANET IS WARMING DEPENDS ON QUESTION WORDING

    In an analysis of 26 partisan think tank web sites, a majority of conservative sites (9 of 12) returned more 'global warming' files than 'climate change' files, whereas a majority of liberal sites (10 of 14) returned more 'climate change' files than 'global warming' files (chi-square(1, N=26)=5.57, p=.02; Fisher's exact p<.05).

    “An analysis of web sites of conservative and liberal think tanks suggests that conservatives prefer to use the term ''global warming'' whereas liberals prefer ''climate change.''”
    • Also stated in: § Word choice on partisan web sites · plain
      “Results revealed that a majority of conservative web sites (i.e., 9 of 12) returned more ' 'global warming'' files than ' 'climate change'' files, whereas a majority of liberal web sites (i.e., 10 of 14) returned more ''climate change'' files than ' 'global warming'' files ( v 2 (1, N ¼ 26) ¼ 5.57, p ¼ .02; Fisher's exact test: p < .05).”
    Quote in the paperSubstantial claim
    • Rests on an assumption: The number of web pages returned for a term on a think tank's web site reflects that think tank's preference for using that term.
  • May combine two claims.

    Interpretationown data
    § Conclusions

    The choice of term strongly affects the obtained answers and does so differentially, giving rise to pronounced differences in the apparent partisan divide on this policy issue.

    “As our findings indicate, the choice of term strongly affects the obtained answers and does so differentially, giving rise to pronounced differences in the apparent partisan divide on this policy issue.”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim. May combine two claims.

    Premisecitation
    § ' 'Global warming'' vs. ''climate change''

    Conservatives have long expressed skepticism about the phenomenon itself and its human origins in particular.

    “conservatives have long expressed skepticism about the phenomenon itself and its human origins in particular (McCright and Dunlap 2000)”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites McCright and Dunlap 2000

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation
    § ' 'GLOBAL WARMING'' OR ''CLIMATE CHANGE''? WHETHER THE PLANET IS WARMING DEPENDS ON QUESTION WORDING

    There is scientific consensus that the planet is warming.

    “Despite scientific consensus that the planet is warming (Oreskes 2004)”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Oreskes 2004 source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Study design and conductown data
    § Method

    ALP sampling procedures result in a diverse pool of participants that is adequate for randomized experiments, although the sample is not representative of the American public.

    “ALP sampling procedures result in a diverse pool of participants that is adequate for randomized experiments (see Table 1 for a summary of demographic information), although the sample is not representative of the American public.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S4 (based).

    Interpretationnone given
    § Conclusions

    The ALP sample is not representative of the American public.

    “although the ALP sample is highly heterogeneous, it is not representative of the American public.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Study design and conductown data
    § Method

    Four respondents terminated the questionnaire prior to the experimental question, and two respondents assigned to the 'climate change' condition were excluded due to missing data, leaving N=2261 for the main analysis.

    “Four respondents terminated the questionnaire prior to the experimental question. In addition, two respondents assigned to the ' 'climate change'' condition were excluded: one because of missing data on the experimental question and one because of missing data on the political self-identification question. This leaves N ¼ 2261 for the main analysis.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Premisecitation
    § ' 'Global warming'' vs. ''climate change''

    The term 'global warming' evokes stronger connotations of human causation than 'climate change', which evokes stronger connotations of natural causation.

    “In addition, Whitmarsh (2009) observed that ''global warming'' evokes stronger connotations of human causation, whereas ' 'climate change'' evokes stronger connotations of natural causation.”
    • Also stated in: § Conclusions · boosted
      “Moreover, ''global warming'' carries a stronger connotation of human causation, which has long been questioned by conservatives (McCright & Dunlap 2000; Whitmarsh 2009).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Whitmarsh 2009

      Not checked in the free run.

    • cites McCright & Dunlap 2000

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S4 (based). May combine two claims.

    Interpretationreasoning
    § Conclusions

    The term 'global warming' entails a directional prediction of rising temperatures that is easily discredited by any cold spell, whereas 'climate change' lacks a directional commitment and easily accommodates unusual weather of any kind.

    “Most importantly, ''global warming'' entails a directional prediction of rising temperatures that is easily discredited by any cold spell, whereas ''climate change'' lacks a directional commitment and easily accommodates unusual weather of any kind.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning
    § Conclusions

    The observed percentage differences are not reliable estimates of population differences, although the pattern of the observed experimental effects is likely to be robust.

    “Accordingly, the observed percentage differences are not reliable estimates of population differences, although the pattern of the observed experimental effects is likely to be robust.”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim.

    Premisecitation
    § ' 'GLOBAL WARMING'' OR ''CLIMATE CHANGE''? WHETHER THE PLANET IS WARMING DEPENDS ON QUESTION WORDING

    Existence beliefs are considered to be the 'gatekeeper' in climate policy engagement.

    “Given that existence beliefs are considered to be the ''gatekeeper'' in climate policy engagement, it is important to understand the factors that influence whether citizens believe that global climate change is real (Krosnick et al. 2006).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Krosnick et al. 2006

      Not checked in the free run.

  • Classified as probably not a substantial claim.

    Study design and conductnone given
    § Method

    Respondents were randomly assigned to one of the two wording conditions when they reached the experimental question.

    “Respondents were randomly assigned to one of the two wording conditions when they reached the experimental question.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning
    § Conclusions

    The experimental finding that Republicans were more skeptical under 'global warming' and the think tank observation that conservative think tanks use 'global warming' more often and liberal think tanks use 'climate change' more often both reflect associative differences between these terms.

    “This finding is compatible with the observation that conservative think tanks use the term ''global warming'' more often than ''climate change,'' whereas liberal think tanks use ' 'climate change'' more often than ''global warming.'' We surmise that both observations reflect associative differences between these terms.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Study design and conductreasoning
    § Word choice on partisan web sites

    Only think tanks for which expert judgments matched the Wikipedia categorization were included in the analysis; both sources of categorization have limitations attenuated by inter-source agreement.

    “Both sources of categorization have limitations, which are attenuated by inter-source agreement.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductcitation
    § Method

    The key belief question was modeled after a survey by ABC News, Stanford University, and Time Magazine (2006).

    “The key belief question was embedded in the American Life Panel (ALP) and modeled after a survey by ABC News, Stanford University, and Time Magazine (2006).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites ABC News, Stanford University, and Time 2006

      Not checked in the free run.

  • May combine two claims.

    Interpretationown data
    § Conclusions

    Democrats tended to endorse high belief (Ms=5.94 on a 7-point scale), raising the possibility of a ceiling effect.

    “First, Democrats tended to endorse high belief ( M s ¼ 5.94 on a 7-point scale), raising the possibility of a ceiling effect.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Interpretationown data
    § Word choice on partisan web sites

    The observed pattern of think tank term usage may reflect the selective use of these terms for political advantage.

    “this pattern may reflect the selective use of these terms for political advantage”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationcitation
    § Conclusions

    Democrats' beliefs about global climate change might be more crystallized and thus less influenced by subtle manipulations, consistent with research showing that stronger attitudes are more resistant to change.

    “Second, Democrats Õ beliefs about global climate change might be more crystallized and thus less influenced by subtle manipulations, consistent with research showing that stronger attitudes are more resistant to change (Krosnick and Smith 1994).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Krosnick and Smith 1994

      Not checked in the free run.

  • May combine two claims.

    Premisecitation
    § ' 'Global warming'' vs. ''climate change''

    Terms may influence beliefs by drawing attention to certain aspects of the issue at the expense of others and by inviting differential associations.

    “These terms may influence beliefs by drawing attention to certain aspects of the issue at the expense of others and by inviting differential associations (see Druckman 2001 for discussion of emphasis framing).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Druckman 2001

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Interpretationreasoning
    § Conclusions

    Awareness of the technical distinction between global warming and climate change might contribute to differential responses among highly sophisticated respondents.

    “Awareness of this distinction might contribute to differential responses among highly sophisticated respondents.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Premisecitation
    § ' 'Global warming'' vs. ''climate change''

    In American politics, partisans routinely use the power of terms to frame political issues in ways that promote ideologically consistent attitudes and beliefs.

    “In American politics, partisans routinely use the power of terms to frame political issues in ways that promote ideologically consistent attitudes and beliefs (Lakoff 2005; Sniderman and Theriault 2004).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Lakoff 2005

      Not checked in the free run.

    • cites Sniderman and Theriault 2004

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Interpretationown data
    § Word choice on partisan web sites

    The term 'global warming' is easier to discredit than 'climate change'.

    “consistent with ''global warming'' being easier to discredit than ' 'climate change.''”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductcitation
    § Method

    Environmental concern was measured with a brief, one-item measure borrowed from the same earlier survey.

    “environmental concern, the latter of which was borrowed from the same earlier survey and used here as a brief, one-item measure”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites ABC News, Stanford University, and Time 2006

      Not checked in the free run.

  • Classified as probably not a substantial claim.

    Premisecitation
    § Conclusions

    Political engagement with regard to global climate change requires one to assume that it is real.

    “Given that political engagement with regard to global climate change requires one to assume that it is real, citizens Õ existence beliefs play a crucial role in the public policy process (Krosnick et al. 2006).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Krosnick et al. 2006

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Premisecitation
    § Conclusions

    Global warming and climate change are technically distinct phenomena, the former referring to increases in average surface-level temperatures and the latter referring to any number of deviations from long-term climate trends.

    “global warming and climate change are technically distinct phenomena, the former referring to increases in average surface-level temperatures and the latter referring to any number of deviations from long-term climate trends (Environmental Protection Agency 2010).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Environmental Protection Agency 2010

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductown data
    § Word choice on partisan web sites

    Searches in October 2009 and September 2010 yielded substantively equivalent findings for the think tank term usage analysis.

    “Searches in October 2009 and September 2010 yielded substantively equivalent findings; we report on the latter search.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Interpretationreasoning
    § ' 'Global warming'' vs. ''climate change''

    The term 'climate change' may recruit more general associations of temperature changes, which can easily accommodate unseasonably cold temperatures and record snowfalls.

    “The term ''climate change,'' in contrast, may recruit more general associations of temperature changes , which can easily accommodate unseasonably cold temperatures and record snowfalls.”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim.

    Premisecitation
    § Conclusions

    Citizens' existence beliefs play a crucial role in the public policy process.

    “Given that political engagement with regard to global climate change requires one to assume that it is real, citizens Õ existence beliefs play a crucial role in the public policy process (Krosnick et al. 2006).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Krosnick et al. 2006

      Not checked in the free run.

  • May combine two claims.

    Premisecitation
    § ' 'GLOBAL WARMING'' OR ''CLIMATE CHANGE''? WHETHER THE PLANET IS WARMING DEPENDS ON QUESTION WORDING

    Factors influencing whether citizens believe global climate change is real include political orientation, perceived and actual temperature increases, years of education, and exposure to and trust in science and the media.

    “These factors include political orientation (e.g., Krosnick, Holbrook, and Visser 2000), perceived and actual temperature increases (e.g., Joireman, Truelove, and Duell 2010; Krosnick et al. 2006; Weber 1997, 2006), years of education, and exposure to and trust in science and the media (Corbett and Durfee 2004).”
    Quote in the paperSubstantial claim0 of 3 sources checked
    • cites Krosnick, Holbrook, and Visser 2000

      Not checked in the free run.

    • cites Joireman, Truelove, and Duell 2010

      Not checked in the free run.

    • cites Corbett and Durfee 2004

      Not checked in the free run.

31 of 31
  • The paper relies on this without support.

    The number of web pages returned for a term on a think tank's web site reflects that think tank's preference for using that term.

    “To assess whether the use of ' 'global warming'' and ''climate change'' varies by political orientation, we searched for these terms on the official web sites of partisan think tanks and recorded the number of web pages (i.e., html files) returned for each term.”
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Authors
Schuldt, J. P., Konrath, S. H., & Schwarz, N.
Affiliations
University of Michigan (US)
Corresponding author
Schuldt, J. P.
Venue
Public Opinion Quarterly
Published
2011-02-21
Volume
75
Issue
1
Pages
115-124
ISSN
  • 0033-362X (ISSN-L)
  • 1537-5331
OpenAlex
W2096589647
Cited by
409
References
18
Citations by year
2026: 10 · 2025: 28 · 2024: 22 · 2023: 26 · 2022: 31 · 2021: 71 · 2020: 21 · 2019: 27 · 2018: 25 · 2017: 33 · 2016: 20 · 2015: 29 · 2014: 30 · 2013: 19 · 2012: 13
FWCI
71.78
Type
journal article
Language
en
Open access
closed
Locations
Public Opinion Quarterly (publishedVersion)
Topics
  • Social Sciences › Sociology and Political Science › Climate Change Communication and Perception
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Climate Change Policy and Economics
  • Social Sciences › Political Science and International Relations › Electoral Systems and Political Participation
Keywords
global warming, climate change, question wording, framing effects, partisan attitudes, conservative think tanks, public opinion on climate change

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