The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Using Nonnaive Participants Can Reduce Effect Sizes
Abstract
Although researchers often assume their participants are naive to experimental materials, this is not always the case. We investigated how prior exposure to a task affects subsequent experimental results. Participants in this study completed the same set of 12 experimental tasks at two points in time, first as a part of the Many Labs replication project and again a few days, a week, or a month later. Effect sizes were markedly lower in the second wave than in the first. The reduction was most pronounced when participants were assigned to a different condition in the second wave. We discuss the methodological implications of these findings.
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“Repeated exposure to stimuli can blunt effect sizes in various experimental paradigms [103].”
From Not so terrifying after all? A set of failed replications of the mortality salience effects of Terror Management Theory (2023) · cites this paper as [103]
In the citing paper
“The high rate of non-naivety among MTurk participants has recently been shown to have the potential to significantly reduce the effect sizes of known research findings (Chandler et al., 2015).”
From Beyond the Turk: Alternative platforms for crowdsourcing behavioral research (2017) · cites this paper as Chandler et al., 2015
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Metadata
- Authors
- Chandler, J., Paolacci, G., Peer, E., Mueller, P., & Ratliff, K. A.
- Affiliations
- University of Michigan (US)
- Erasmus University Rotterdam (NL)
- Graduate School of Business Administration, Bar-Ilan University
- Princeton University (US)
- University of Florida (US)
- Venue
- Psychological Science
- Publisher
- SAGE Publications
- Published
- 2015-06-10
- Volume
- 26
- Issue
- 7
- Pages
- 1131-1139
- ISSN
- 0956-7976 (ISSN-L)
- 1467-9280
- OpenAlex
- W2162475434
- Cited by
- 185
- References
- 29
- Citations by year
- 2026: 6 · 2025: 20 · 2024: 10 · 2023: 15 · 2022: 10 · 2021: 23 · 2020: 20 · 2019: 21 · 2018: 14 · 2017: 27 · 2016: 15 · 2015: 3
- FWCI
- 29.35
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Psychological Science (publishedVersion)
- PubMed (publishedVersion)
- EUR Research Repository (Erasmus University Rotterdam) (publishedVersion)
- EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Psychology Research and Bibliometrics
- Social Sciences › Decision Sciences › Statistics, Probability and Uncertainty › Meta-analysis and systematic reviews
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
- Keywords
- replication, task familiarity, within-participant design
- MeSH terms
- Adult, Female, Humans, Male, Patient Participation, Patient Selection
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