This paper presents power analysis tools for multiple regression. The first takes input of correlations between variables and sample size and outputs power for multiple predictors. The second addresses power to detect significant effects for all of the predictors in the model. Both employ user-friendly SPSS Custom Dialogs.

MRPower Dialogs.zip (18 kB)
Power Dialogs (MR Power)

MRPower Simulate Dialogs.zip (20 kB)
Power Dialogs (MR Simulate)