Comparing Groups
t-tests, ANOVA and their non-parametric alternatives.
How to Report a Paired-Samples t-Test in APA 7
Before-and-after scores from the same people: what to report, where to find each value, a worked example, which Cohen's d to use, and common mistakes.
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How to Report an Independent-Samples t-Test in APA 7
What to include, where to find each value in SPSS, jamovi and R, worked examples (including Welch's test), formatting rules and common mistakes.
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More guides are on the way, covering choosing statistical tests, comparing groups, relationships and prediction, and checking assumptions.
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