1. Statistical power analysis for the social and behavioral sciences: basic and advanced techniques Liu, Xiaofeng Steven, New York, NY : Routledge, 2014. PSY510
2. Statistical power analysis for the behavioral sciences Cohen, Jacob, 1923- Hillsdale, N.J. : L. Erlbaum Associates, 1988. PSY510 PSY509 CP516 CP541 PSY412 PSY402
