GPower 3.1

Free It is a tool to compute statistical power analyses for many different t tests
3.8 
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Latest version:
3.1.97 See all
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G*Power is a tool to compute statistical power analyses for many different t tests, F tests, χ2 tests, z tests and some exact tests. G*Power can also be used to compute effect sizes and to display graphically the results of power analyses. The software also allows you to generate graphs based on the data you input.

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3.8
Rating
66 votes
5 stars
33
4 stars
12
3 stars
6
2 stars
4
1 stars
11
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S
Sherri Turner
Love It. Journal editors accept this as a valid way to calculate power.

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S
su kalyar hlaing
That is very useful for sample size calculation.

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