Repeated Measures ANOVAs using SPSS
  1. Open your SPSS file.
  2. Click on Analyze.
  3. Click on General Linear Model .
  4. Click on Repeated Measures.
  5. Enter the name of your independent variable in the box labeled 'Within-Subject Factor Name' (red arrow below).
  6. Enter the number of levels in the box labeled 'Number of Levels' (green arrow below).
  7. Click 'Add', then 'Define'

  8. Highlight the various levels of your independent variable and slide them into the box labeled 'Within Subjects Variables' (red arrow below).
  9. Then click the Options button (green arrow below).

  10. Highlight the independent variable and slide it into the box for 'Display Means for:' (red arrow below).
  11. Click Continue, then OK.

  12. Note the observed value for F, the degrees of freedom for the numerator and the denominator, the MSE, and the p-value.
  13. The means appear in the table at the bottom. Normally, I would have to give you a value for Tukey's HSD, but for this hoemwork assignment, there are only 2 levels of the independent variable, so once you reject the null, you know that the two conditions are significantly different from one another.