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In case you need a reference to this page in a scientific paper, please the following citation:

Lenhard, W. & Lenhard, A. (2016). Calculation of Effect Sizes. available: https://www.psychometrica.de/effect_size.html. Dettelbach (Germany) DOI: 10.13140/RG.2.1.3478.4245

G*POWER Information

Behavior Research Methods

May 2007, Volume 39, Issue 2, pp 175–191

G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences

· Authors · Authors and affiliations

· Franz Faul Email author

· Edgar Erdfelder Email author

· Albert-Georg Lang

· Axel Buchner

References

If you use G*Power for your research, then we would appreciate your including one or both of the following references (depending on what is appropriate) to the program in the papers in which you publish your results:

Faul, F., Erdfelder, E., Lang, A.-G., & Buchner, A. (2007). G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences. Behavior Research Methods, 39, 175-191. Download PDF

Faul, F., Erdfelder, E., Buchner, A., & Lang, A.-G. (2009). Statistical power analyses using G*Power 3.1: Tests for correlation and regression analyses. Behavior Research Methods, 41, 1149-1160. Download PDF