means
Repeated-measures ANOVA
Compare three or more repeated measurements from the same unit.
Requirements
- three or more numeric repeated-measure columns
- matched rows/subjects
Avoid when
- independent groups
- sphericity correction is required for final reporting
Formula
F = MS_condition / MS_error
Interpretation
Tests whether condition means differ within subjects.
Worked example
Compare three repeated measurements and apply a sphericity correction when required.
Open example datasets