1. IBM Research Report;R. E. Bargmann,1964
2. Borenstein, M., &Cohen, J. (1988).Statistical power analysis: A computer program. Hillsdale, NJ: Erlbaum.
3. Borenstein, M., Cohen, J., Rothstein, H. R., Pollack, S., &Kane, J. M. (1990). Statistical power analysis for one-way analysis of variance: A computer program.Behavior Research Methods, Instruments, & Computers,22, 271–282.
4. Borenstein, M., Cohen, J., Rothstein, H. R., Pollack, S., &Kane, J. M. (1992). A visual approach to statistical power analysis on the microcomputer.Behavior Research Methods, Instruments, & Computers,24, 565–572.
5. Bredenkamp, J. (1972).Der Signifikanztest in der psychologischen Forschung [The test of significance in behavioral research]. Frankfurt, Germany: Akademische Verlagsgesellschaft.