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I have a scale variable, collected in 2 separated times, t1 (pre-test) and t2 (post-test).

My question is, must I use a repeated measures Anova, or can I use a basic Anova with only one factor: the difference between two values (t2-t1) ?

Rey0bs
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    Is T1 actually a "pre" value and T2 a "post" value? Or are they true repeated (post-baseline) measures. – AdamO Jun 03 '22 at 22:44
  • Yes, t1 is a pre-value and t2 is a post-value – Rey0bs Jun 03 '22 at 22:45
  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Jun 03 '22 at 23:09
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    @Rey0bs possible duplicate here? https://stats.stackexchange.com/questions/3466/best-practice-when-analysing-pre-post-treatment-control-designs – AdamO Jun 04 '22 at 23:57

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