Sample Size Calculator

Written By J. C. Pass, MSc

Estimate the minimum sample size needed for common psychology and social science analyses using effect size, statistical power, and alpha. The Original Matter Sample Size Calculator gives you a cleaner starting point for planning studies, assignments, and methods sections without manually wrestling the calculation every time.

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.

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