Cited by 25Psychometric Methodologies and TestingCognitive Abilities and TestingPsychological Testing and Assessment

Is the Cattell–Horn–Carroll-based factor structure of the Wechsler Intelligence Scale for Children—Fifth Edition (WISC-V) construct invariant for a representative sample of African–American, Hispanic, and Caucasian male and female students ages 6 to 16 years?

Open access
Scheiber, Caroline·2016·Journal of Pediatric Neuropsychology

Abstract

Since the inception of testing, the examination of test bias has been discussed and debated in the literature. As new tests are developed or old tests are revised, part of the standardization process involves the examination of gender and ethnic item bias. The exploration of construct invariance across different ethnic and gender groups, however, is not part of the test construction or validation process. This study investigated factorial invariance of the Cattell–Horn–Carroll (CHC)-based factor structure of the most recent version of the Wechsler tests—the Wechsler Intelligence Scale For Children—Fifth Edition (WISC-V; Wechsler 2014a )—across a representative sample of African–American, Hispanic, and Caucasian male and female students ages 6–16 years ( N = 2637). Specifically, confirmatory factor analysis was used to explore whether increasing sets of equality constraints fit the underlying theoretical structure of the WISC-V equally well. Results showed that all five CHC broad abilities, in addition to the general factor g , demonstrated structural invariance for all six ethnic/gender groups. Findings from this study suggest that, despite mean score differences, neuropsychologists can be confident that the WISC-V factor structure is equivalent for the different subgroups and scores are, thus, equally meaningful for African–American, Hispanic, and Caucasian male and female students. These results are of value, given the frequent use of intelligence tests, especially of the WISC-V, when making important and, oftentimes, life-changing decisions regarding diagnosis and access or denial to special programs and classes.

AI snapshot

Written from the paper’s full text.

TL;DR

This study used multi-group confirmatory factor analysis to test whether the CHC-based factor structure of the WISC-V is construct invariant across African-American, Hispanic, and Caucasian male and female students ages 6–16. It found configural, metric, and intercept invariance for all five CHC broad abilities and g across the six ethnic/gender groups, despite mean score differences.

Key findings

  • Configural, metric, and intercept invariance were established for all five CHC factors—Gc, Gf, Gsm, Gv, and Gs—and for the second-order g factor across all six ethnic/gender groups.
  • Fit indexes supported invariance: configural CFI = 0.98, RMSEA = 0.032; metric CFI = 0.98, RMSEA = 0.032; first-order intercept CFI = 0.96, RMSEA = 0.044 (ΔCFI = 0.02, ΔRMSEA = 0.012); second-order intercept CFI = 0.95, RMSEA = 0.051 (ΔCFI = 0.01, ΔRMSEA = 0.007).
  • The sample was N = 2637: 777 Caucasian males, 830 Caucasian females, 188 African-American males, 221 African-American females, 308 Hispanic males, and 313 Hispanic females.
  • The paper reports mean score differences across groups but concludes that WISC-V scores are “equally meaningful” for African-American, Hispanic, and Caucasian male and female students ages 6–16.

Methods

  • Participants were children and adolescents ages 6–16 from the WISC-V norming sample, stratified to correspond with 2012 US Census proportions on age, gender, ethnicity, geographic region, and parent educational attainment as a proxy for socioeconomic status.
  • The analysis used multi-group confirmatory factor analysis based on mean and covariance structure (MG-MACS) with increasingly restrictive equality constraints: configural, metric, and intercept invariance; residual invariance was not assessed.
  • The model included 16 core and supplementary WISC-V subtests organized under five CHC broad abilities (Gc, Gf, Gsm, Gv, Gs) plus g; Glr was excluded because its three subtests are experimentally dependent, and Arithmetic was cross-loaded on Gc and Gsm in addition to Gf based on theory and modification indexes.

Limitations

  • The paper states that parent educational attainment was not controlled because the aim was to evaluate ethnic bias as tests are actually used; future studies should replicate across different socioeconomic levels.
  • The paper states that it assessed construct invariance only at the latent factor and g level, not differential item functioning at the subtest level, and did not validate the sixth CHC factor, Glr.
  • The paper states that results are not generalizable to other ethnic or age groups and that the sample consisted primarily of normally developing children, with children most commonly referred for psychological testing underrepresented; the text also makes evident that African-American and Hispanic subgroup sample sizes were much smaller than the Caucasian subgroup.

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.1007/s40817-016-0019-7

Cites

47 of 47 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Claims the paper makes

0 of 33 cited sources checked · 0 supported · 0 flagged

  • Findingown data

    Metric invariance for the second-order factor loadings was established.

    “However, based on the good CFI and RMSEA values, metric invariance was established.”
    Quote in the paperSubstantial claim
  • Findingown data

    All five CHC broad abilities, in addition to the general factor g, demonstrated structural invariance for all six ethnic/gender groups.

    “Results showed that all five CHC broad abilities, in addition to the general factor g, demonstrated structural invariance for all six ethnic/gender groups.”
    Quote in the paperSubstantial claim
  • Findingown data

    Configural, metric, and intercept invariance were established for every CHC factor and g across all three ethnic/gender group comparisons.

    “In sum, configural, metric, and intercept invariance were established for every CHC factor and g across all three ethnic/gender group comparisons.”
    • Also stated in: § Conclusion · plain
      “Based on the very good CFI and RMSEA values and the nonsignificant or small changes observed in CFI and RMSEA values as more constraints were added, it was concluded that configural, metric, and intercept invariance were established for all six groups for each CHC factor and for g.”
    • Also stated in: § Conclusions · hedged
      “Overall, results of the current study provide evidence for the construct invariance of the most recent version of the Wechsler tests-the WISC-V (Wechsler 2014a)-across six different ethnic/gender groups.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Wechsler 2014a

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

  • Findingown data

    Mean scores between ethnic/gender groups differ, sometimes substantially, on the WISC-V CHC factors and g.

    “Even though the mean scores between the groups differ, sometimes substantially, fit indexes suggest structural equivalence for all five broad CHC factors and for g.”
    Quote in the paperNot a substantial claim
  • Findingown data

    Intercept invariance of both the first- and second-order factor loadings was established.

    “Based on the CFI and RMSEA values, intercept invariance of both the first-and second-order factor loadings could be concluded.”
    Quote in the paperSubstantial claim
  • May combine two claims. 10
  • Classified as probably not a substantial claim. 12
  • May combine two claims.

    Premisecitation

    Mean score discrepancies may occur for reasons mostly related to differences in socioeconomic status and home environment, and have little to do with the test's psychometric properties.

    “Discrepancies in mean scores may occur for a variety of reasons, most of which relate to differences in socioeconomic status and home environment (e.g., Kaufman et al. 2016;Weiss et al. 2006Weiss et al. , 2015)), but have little to do with the test's psychometric properties”
    Quote in the paperNot a substantial claim0 of 3 sources checked
    • cites Kaufman et al. 2016 source
    • cites Weiss et al. 2006
    • cites Weiss et al. 2015

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

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

    Premisecitation

    Prior studies that examined test bias across different population subgroups have generally found no gender or ethnic group bias.

    “Despite much discussion and debate in the literature with regard to the fairness of test instruments, those studies that have looked at test bias across different population subgroups have generally found no gender or ethnic group bias (e.g., Edwards & Oakland, 2006;Keith 1999;Keith et al. 1999;Scheiber 2016a, b;Scheiber & Kaufman, 2015;Reynolds et al. 2015;Trundt 2013).”
    Quote in the paperNot a substantial claim0 of 3 sources checked
    • cites Edwards & Oakland, 2006 source
    • cites Keith 1999 source
    • cites Keith et al. 1999 source
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    At the school-age level, females outperform males in processing speed.

    “(3) females outperform males in processing speed (Keith et al. 2011).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Keith et al. 2011 source
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductnone given

    The study only focused on the five core CHC factors measured by the WISC-V, including Gc, Gs, Gf, Gsm, and Gf.

    “this study only focused on the five core CHC factors measured by the WISC-V, including Gc, Gs, Gf, Gsm, and Gf; however, future researchers should also validate the sixth CHC factor measured by the WISC-V (Glr).”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Premisecitation

    Gender differences on cognitive tests tend to be small, with the exception of processing speed, which shows a decided female advantage across the lifespan.

    “Generally speaking, gender differences on cognitive tests tend to be small, with the exception of processing speed, which shows a decided female advantage across the lifespan (Kaufman et al. 2016;Keith et al. 2011;Lichtenberger and Kaufman 2013).”
    Quote in the paperNot a substantial claim0 of 3 sources checked
    • cites Kaufman et al. 2016 source
    • cites Keith et al. 2011 source
    • cites Lichtenberger and Kaufman 2013

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

  • May combine two claims.

    Study design and conductnone given

    The sample consisted primarily of normally developing children, with proportional representation of exceptional children.

    “the sample consisted primarily of normally developing children, with proportional representation of exceptional children.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Premisecitation

    Cognitive tests are impacted by factors including income, home environment, quality of schooling, and cultural opportunities that are impossible to control for but have been found to influence cognitive test scores significantly.

    “Cognitive tests are impacted by a number of different factors (including income, home environment, quality of schooling, cultural opportunities) that are impossible to control for but have been found to influence cognitive test scores significantly (Weiss et al. 2006(Weiss et al. , 2015)).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Weiss et al. 2006
    • cites Weiss et al. 2015

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

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

    Premisecitation

    On the WISC-V, researchers have observed no meaningful gender differences on the Full Scale IQ and only trivial gender differences on most indexes, except on the Processing Speed Index.

    “On the WISC-V, researchers have observed no meaningful gender differences on the FSIQ and only trivial gender differences on most indexes, except on the Processing Speed Index.”
    Quote in the paperNot a substantial claim0 of 3 sources checked
    • cites Kaufman et al. 2016 source
    • cites Keith et al. 2011 source
    • cites Lichtenberger and Kaufman 2013

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

  • May combine two claims.

    Premisecitation

    On the WISC-V, Caucasians averaged a Full Scale IQ standard score of 103.5, Hispanics 94.4, African-Americans 91.9, and Asians 108.6.

    “For example, on the most recent version of the Wechsler tests-the Wechsler Intelligence Scale for Children-Fifth Edition (WISC-V; Wechsler, 2014a)-Caucasians averaged a standard score of 103.5, Hispanics averaged 94.4, and African-Americans averaged 91.9 on the Full Scale IQ (FSIQ).Asians outperformed all three groups averaging 108.6 (Weiss et al. 2015).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Weiss et al. 2015

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

  • Classified as probably not a substantial claim. May combine two claims.

    Premisecitation

    Mean score discrepancies may occur for an array of reasons, most of which relate to home environment, and they tell little about test bias or test fairness.

    “Despite the frequent emphasis in research on mean ethnic differences on global scores and mean gender differences on specific abilities, such discrepancies may occur for an array of reasons, most of which relate to home environment (Weiss et al. 2015), and they tell us little about test bias or test fairness.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Weiss et al. 2015

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

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

    Premisecitation

    At the school-age level, males outperform females in visual processing.

    “At the school-age level, the most consistent findings on specific abilities are as follows: (1) males outperform females in visual processing (Kaufman and Kaufman 2004;Keith et al. 2011;Jirout and Newcombe 2015;Palejwala and Fine 2014);”
    Quote in the paperNot a substantial claim0 of 3 sources checked
    • cites Kaufman and Kaufman 2004

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

    • cites Keith et al. 2011 source
    • cites Jirout and Newcombe 2015 source
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Study design and conductnone given

    All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975, as revised in 2000.

    “All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975Declaration of , as revised in 2000 (5) (5).”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationown data

    The WISC-V factor structure is equivalent for African-American, Hispanic, and Caucasian male and female students, and scores are equally meaningful for these subgroups.

    “Findings from this study suggest that, despite mean score differences, neuropsychologists can be confident that the WISC-V factor structure is equivalent for the different subgroups and scores are, thus, equally meaningful for African-American, Hispanic, and Caucasian male and female students.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Premisecitation

    Mean gender differences on cognitive tests are generally trivial compared to ethnic group differences and often close to zero on global scales.

    “Mean gender differences have also been found to vary across the lifespan but generally tend to be trivial compared to ethnic group differences and often are close to zero on global scales (e.g., Kaufman and Kaufman 2004;Kaufman et al. 2016;Keith et al. 2008;Reynolds et al. 2008).”
    Quote in the paperNot a substantial claim0 of 3 sources checked
    • cites Kaufman and Kaufman 2004

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

    • cites Kaufman et al. 2016 source
    • cites Keith et al. 2008 source
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductcitation

    Informed consent was obtained from all participants.

    “Informed consent was obtained from all participants for being included in the study, as per WISC-V Technical and Interpretative Manual (Wechsler 2014b).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Wechsler 2014b

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

  • Classified as probably not a substantial claim.

    Study design and conductnone given

    The sample was matched on 2012 US Census data in terms of age, gender, ethnicity, geographic region, and parental educational attainment.

    “perhaps most importantly, the sample was matched on 2012 US Census data in terms of important background variables, including age, gender, ethnicity, geographic region, and parental educational attainment (as a proxy for socioeconomic status).”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    At the school-age level, very young females outperform very young males in crystallized ability.

    “(2) very young females outperform very young males in crystallized ability (Kaufman and Kaufman 2004;Keith et al. 2011);”
    Quote in the paperNot a substantial claim0 of 2 sources checked
    • cites Kaufman and Kaufman 2004

      Couldn’t be matched to a paper in Crossref, so it can’t be checked.

    • cites Keith et al. 2011 source
17 of 17
  • The paper relies on this without support.

    This is the first study to have established factorial invariance across different ethnic/gender groups together and the first study to provide evidence for structural equivalence by gender or ethnicity of the WISC-V.

    “This is the first study to have established factorial invariance across different ethnic/gender groups together and the first study to provide evidence for structural equivalence by gender or ethnicity of the WISC-V.”
    “This is the first construct validity study of the WISC-V conducted with ethnic/gender groups together.”
1 of 1

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

Each contradiction between two passages listed here was confirmed by an independent check.

  • Coding is assigned two incompatible missing-data counts

    Minor

    The same missing-data description says Coding had between 8 and 13 missing data points and between 2 and 5 missing data points.

  • Configural chi-square is reported as its chi-square-to-df ratio

    Minor

    The Results give χ2(582) as 1.459, but Table 3 reports χ2 = 848.854 with 582 degrees of freedom. The prose value is approximately 848.854 divided by 582, not the chi-square statistic.

2 of 2

Cites

Flagged first, then by citations

1 of the 48 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. Flanagan, D. P., Ortiz, S. O., Alfonso, V. C., & Dynda, A. (2014). Cognitive assessment: progress in psychometric theories, the structure of cognitive tests, and approaches to test interpretation. In D. Saklofske, V. Schwean, & C. Reynolds (Eds.), Oxford handbook of psychological assessment of children and adolescents. New York: Oxford University Press.

Cited by

Sorted by citations

Authors
Scheiber, C.
Affiliations
Denver Health Medical Center (US)
Corresponding author
Scheiber, Caroline
Venue
Journal of Pediatric Neuropsychology
Published
2016-11
Volume
2
Issue
3-4
Pages
79-88
ISSN
  • 2199-2673 (ISSN-L)
  • 2199-2681
OpenAlex
W2510393085
Cited by
25
References
48
Citations by year
2024: 2 · 2023: 4 · 2022: 6 · 2021: 4 · 2020: 5 · 2019: 1 · 2018: 2 · 2017: 1
FWCI
1.46
Type
journal article
Language
en
Open access
Locations
Journal of Pediatric Neuropsychology (publishedVersion)
Topics
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
  • Social Sciences › Psychology › Applied Psychology › Psychological Testing and Assessment
Keywords
WISC-V, measurement invariance, Cattell-Horn-Carroll theory, test bias, ethnic differences, gender differences, African American students, Hispanic students, Caucasian students, intelligence testing, children and adolescents

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