Sample Size Calculator

Stats & Analysis ToolsMost Popular
Written By J. C. Pass, MSc

Design your study with confidence. This calculator helps you determine the minimum sample size needed to detect meaningful effects — so your research is powered, precise, and publishable.

J. C. Pass, MSc

J. C. Pass, MSc, is the founder of Simply Put Psych. He writes as a kind of psychological smuggler, sneaking serious ideas about behaviour, culture, politics, games, media, and everyday social weirdness past the usual academic border guards.

Sign up to read this post
Join Now
Previous

Effect Size + Power Visualizer for T-Tests
Next

Psychology Statistical Test Advisor