9 ANOVA: Repeated Measures

How to perform a repeated measures ANOVA in jamovi:

  1. You need one continuous outcome variable for each measurement occasion. Make sure that the measurement levels are set6 so that the continuous variables are marked with  the continuous data icon.
    A correct setup should look similar to this:

  2. Select Analyses -> ANOVA -> Repeated Measures ANOVA.

  3. In the box Repeated Measures Factors: write the name of your outcome variable (e.g. My_scale) and name the levels for each measurement occasion (e.g. Pre, Post and 12 month follow-up). The images below shows the box with default values (left) and when the values has been set (right).
    ->

  4. Drag and drop your outcome variables to their respective cells in Repeated Measures Cells.

  5. The results are shown in the right pane:


  1. This is demonstrated in section 2.