Effect sizes, statistical power and sample sizes in "The Japanese Journal of Psychology"

Yumi Suzukawa*, Hideki Toyoda

*この研究の対応する著者

研究成果: Review article査読

3 被引用数 (Scopus)

抄録

This study analyzed the statistical power of research studies published in the "Japanese Journal of Psychology" in 2008 and 2009. Sample effect sizes and sample statistical powers were calculated for each statistical test and analyzed with respect to the analytical methods and the fields of the studies. The results show that in the fields like perception, cognition or learning, the effect sizes were relatively large, although the sample sizes were small. At the same time, because of the small sample sizes, some meaningful effects could not be detected. In the other fields, because of the large sample sizes, meaningless effects could be detected. This implies that researchers who could not get large enough effect sizes would use larger samples to obtain significant results.

本文言語English
ページ(範囲)51-63
ページ数13
ジャーナルShinrigaku Kenkyu
83
1
DOI
出版ステータスPublished - 2012 4

ASJC Scopus subject areas

  • 心理学(全般)

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