Chi-square tests
Chi-square goodness of fit and chi-square test of independence, and which question each answers.
1 min video · Slides · Dataset
About 35 minutes to complete
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What this module covers
chi-square goodness of fit and chi-square test of independence, and which question each answers; the expected-count assumption and the 5-in-80% rule; Fisher's exact test and when it is required; Yates' continuity correction; the Crosstabs path in full; reading the output table by table; Cramér's V and phi as effect sizes; standardised residuals to find which cell drives the result; APA reporting sentence.
By the end of it
- Chi-square goodness of fit and chi-square test of independence, and which question each answers
- The expected-count assumption and the 5-in-80% rule
- Fisher's exact test and when it is required
- Yates' continuity correction
- The Crosstabs path in full
- Reading the output table by table
- Cramér's V and phi as effect sizes
- Standardised residuals to find which cell drives the result
- APA reporting sentence
The dataset
Antenatal care and birth outcome — Sigma teaching dataset
A teaching dataset of 300 cases, generated from a fixed seed so every figure in the module reproduces exactly.
- CodebookIncluded
- Dataset (CSV)Included
- Dataset (CSV)Included
- SPSS syntaxIncluded