providing accurate calculations for 14+ years!
References: Post-hoc Statistical Power for a Student t-Test
Post-hoc Statistical Power for a Student t-Test References
Below you will find a complete set of details for 2 different references / citations that are related to the computation of post-hoc statistical power values for Student t-tests.
Reference for Citing the Online Calculator
- Soper, D.S. (2020). Post-hoc Statistical Power Calculator for a Student t-Test [Software]. Available from http://www.danielsoper.com/statcalc
Reference from the Scientific Literature
- Cohen, J. (1988). Statistical Power Analysis for the Behavioral Sciences (2nd Edition). Hillsdale, NJ: Lawrence Earlbaum Associates.