The (PSS) One-Way ANOVA Dialog Box

Supporting Information

Select check box to output results to the Results Log.

Power	Compute power for specified sample size,
Sample Size	Compute sample size for proposed power.

# of Treatments	The number of treatments (groups).
Specify Group Means Difference by	Select which value should be used to specify the group means difference.
CSS of Means	Corrected sum of squares of means.
Maximum Difference between Means	The difference between the smallest group mean and the largest group mean.
Standard Deviation	Square root of MSE (Mean Squared Error).
Alpha	Probability of rejecting the null hypothesis when it is true.
Hypothetical Power(s)	Specify space-separated list of hypothetical power(s). Only available when sample size is calculated.
Hypothetical Sample Size(s)	Specify space-separated list of hypothetical sample size (sample size of each group). Only available when power is calculated.

Controls to be used when supplying additional power or sample size values by worksheet dataset:

When calculating power (Calculate = Power):

More Hypothetical Sample Size(s)	Select to activate the Hypothetical Sample Size(s) Column input controls.
Hypothetical Sample Size(s) Column	Specify column of sample size values. Available when More Hypothetical Sample Size(s)... is selected.

When calculating sample size (Calculate = Sample Size):

More Hypothetical Power(s)	Select to activate the Hypothetical Power(s) Column input controls.
Hypothetical Power(s) Column	Specify column of power values. Available when More Hypothetical Power(s)... is selected.