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GPower

G*Power performs high-precision statistical power analyses for the most common statistical tests in behavioral research, that is,

  • t-tests (independent samples, correlations, and any other t-test),
  • F-tests (ANOVAS, multiple correlation and regression, and any other F-test), and
  • Chi2-tests (goodness of fit and contingency tables).

G*Power computes

  • power values for given sample sizes, effect sizes, and alpha levels (post hoc power analyses),
  • sample sizes for given effect sizes, alpha levels, and power values (a priori power analyses), and
  • alpha and beta values for given sample sizes, effect sizes, and beta/alpha ratios (compromise power analyses).

The program may be used to display graphically the relation between any two of the relevant variables and it offers the opportunity to compute the effect size measures from basic parameters defining the alternative hypothesis.

Application Details:

Developer: [Freeware]
URL: http://www.psycho.uni-duesseld...

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For more details and user comments, view the versions of this application

VersionDescriptionLatest RatingLatest Wine version testedTest resultsComments
2.1.2Standard downloadable version.Garbage0.9.20.10
3.0.10G*Power 3 is a major extension of, and improvement over, G*Power 2. It covers statistical power analyses for many differentSilver0.9.56.10
3.0.8G*Power 3Bronze0.9.48.10
3.1G*Power 3 is a major extension of, and improvement over, G*Power 2. It covers statistical power analyses for many differentGarbage1.8.750
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