Power Program

9.  Group Randomization [ref: Grizzle & Feng]

Select What to Calculate, then enter the remaining Parameter Values. Optionally, select a parameter to Fast-Forward, and specify number of and increment per iteration. Press the Default button to use the original default parameter values, or the Undo button to clear modifications made to current defaults. Press the Calculate button for results.

Specify Study Design: One-sample/unmatched Two-sample/unmatched Two-sample/pair-matched    Data Type: Post Pre+Post    Response Type: Continuous/Normal Binary/binomial     

 

What to Calculate:	Fast Forward:	Specify Parameters:
		Post Measurement: Null Hypothesis Mean Value:
		Post Measurement: Alternative Hypothesis Mean Value:
		Single Observation Variance:
		Total Number of Groups:
		Number of Individuals in each Group :
		Within-Group Correlation between Individuals:
		Power level:
		One-sided significance level (alpha):
	none	Fast Forward Options:  # Iterations: Size of Increment: