Testing for Statistical Power

Cohen J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Hillsdale, NJ Erlbaum

Cohen J. (1992). A power primer Psychological Bulletin, 112, 155–159

Dunlap W. P. (1981). An interactive FORTRAN IV program for calculating power, sample size, or detectable differences in means Behavior Methods & Instrumentation, 13, 757–759

Dunlap W. P. Kemery E. R. (1985). An interactive FORTRAN IV program for calculating aspects of power in correlational research Behavior Research Methods, Instruments, and Computers, 17, 437–440

Harris R.J. Quade D. (1992). The minimally important difference significant criterion for sample size Journal of Educational Statistics, 17, 27–49