title: Why does "repeated measures" not appear under "analyze - glm" menu in SPSS?
body: <p>This is my first time using SPSS for doing within-subjects ANOVA. Every tutorial I see tells me that I should go to analyze -> General Linear Model -> Repeated Measures.</p>
  
  <p>The problem is that under "General Linear Model" the only command I see is "Univariate". Why can't I find "Repeated Measures"? I'm using SPSS 21.</p>