Eta-squared and partial eta-squared in fixed factor anova designs
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The study requires a total sample size of N=36 based on a priori power analysis (Mixed between-within groups ANOVA, 1-β=0.95, α=0.05, Cohen's d=0.8).
“an a priori power analysis using G*Power software (Mixed between-within groups ANOVA tests, 1 – β = 0.95, α = 0.05, Cohen's d = 0.8) (Cohen, 1973), which revealed that the study would require a total sample size of N = 36.”
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- Authors
- Cohen, J.
- Affiliations
- New York University (US)
- Corresponding author
- Cohen, Jacob
- ORCID
- Cohen, Jacob
- Venue
- Educational and Psychological Measurement
- Publisher
- SAGE Publications
- Published
- 1973-04
- Volume
- 33
- Issue
- 1
- Pages
- 107-112
- ISSN
- 0013-1644 (ISSN-L)
- 1552-3888
- OpenAlex
- W1982286843
- Cited by
- 1,333
- References
- 9
- Citations by year
- 2026: 72 · 2025: 90 · 2024: 81 · 2023: 85 · 2022: 87 · 2021: 96 · 2020: 91 · 2019: 84 · 2018: 74 · 2017: 65 · 2016: 59 · 2015: 69 · 2014: 72 · 2013: 37 · 2012: 45
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Educational and Psychological Measurement (publishedVersion)
- Topics
- Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods and Bayesian Inference
- Social Sciences › Decision Sciences › Statistics, Probability and Uncertainty › Meta-analysis and systematic reviews
- Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
- Keywords
- eta squared, partial eta squared, effect size, group differences
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