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How Many Participants Do We Have to Include in Properly Powered Experiments? A Tutorial of Power Analysis with Reference Tables
Given that an effect size of d = .4 is a good first estimate of the smallest effect size of interest in psychological research, we already need over 50 participants for a simple comparison of two within-participants conditions if we want to run a study with 80% power. This is more than current pract...
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| Gepubliceerd in: | J Cogn |
|---|---|
| Hoofdauteur: | |
| Formaat: | Artigo |
| Taal: | Inglês |
| Gepubliceerd in: |
Ubiquity Press
2019
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| Onderwerpen: | |
| Online toegang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6640316/ https://ncbi.nlm.nih.gov/pubmed/31517234 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.5334/joc.72 |
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