Stats & Cats

Data, statistics, and cats doing maths

Tagged: effect size

Articles tagged with effect size in Stats and Cats.

Sample Size Calculation
How to calculate required sample size for a two-sample t-test and a chi-square test, given a target effect size, significance level, and power.
Effect Size and Statistical Power
How to measure and interpret Cohen's d, eta-squared, and r. What statistical power means, what determines it, and why it belongs before data collection.