Editverse: Statistical Test Guide

How to Choose the Right Statistical Test: Decision Grid and a Real Worked Example

Quick Answer: To choose the right statistical test, answer four questions in order: what is your goal (compare groups, relate two variables or predict an outcome), what type is the outcome (continuous, ordinal, categorical, count or time to event), how many groups do you have and are they independent or paired, and do the data meet the test’s assumptions. For roughly normal continuous data use…