N = 35: A Rule of Thumb for Psychological Researchers
- 1 August 1974
- journal article
- research article
- Published by SAGE Publications in Perceptual and Motor Skills
- Vol. 38 (3_suppl) , 1135-1138
- https://doi.org/10.2466/pms.1974.38.3c.1135
Abstract
A brief discussion of four aspects of a statistical test; alpha level, strength of relationship, power and sample size, is followed by the suggestion that we might adopt N = 35 as a rule of thumb.Keywords
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