G*power 3.1.9.4 [patched] Download • Original
: If it fails to start, run the included VC_redist.x86.exe to install the required Microsoft Visual C++ libraries. macOS Setup Steps: Download and unzip the file.
Researchers utilize G*Power primarily to justify sample sizes in grant proposals and dissertations. It provides robust tools for: : Calculating the required sample size ( ) before a study begins. Post hoc analysis : Determining the actual power ( ) achieved after a study is completed. g*power 3.1.9.4 download
is a widely used, free statistical software program designed for power analysis and sample size calculation across a broad range of scientific disciplines. : If it fails to start, run the included VC_redist
: Calculating the minimum effect size that can be detected given a specific sample size and power level. It provides robust tools for: : Calculating the
Note that version 3.1.9.6 is the last version built for Intel; a native Apple Silicon (M1/M2/M3) version, , is currently in development. Supported Statistical Tests G*Power covers a wide range of test families, including: G*Power - Psychologie
The software is developed by the G*Power Team at Heinrich Heine University Düsseldorf. While version 3.1.9.4 was a major milestone, the current stable release as of May 2026 is for Windows and 3.1.9.6 for macOS. Why Download G*Power 3.1.9.4?