D3SPSSIntermediateAbout 25 min to complete
Paired-samples t-test
What makes data paired - before/after, matched pairs, two measures on the same person.
Slides · Dataset
About 25 minutes to complete
Enrol to open the slides and download the data.
What this module covers
what makes data paired - before/after, matched pairs, two measures on the same person; why the analysis is on the differences and what that means for the normality assumption; the required wide data layout; the menu path; reading the output; Cohen's d for paired data; APA reporting.
The dataset
Health education intervention, three time points — Sigma teaching dataset
A teaching dataset of 120 cases, generated from a fixed seed so every figure in the module reproduces exactly.
- CodebookIncluded
- Dataset (CSV)Included
- SPSS syntaxIncluded