Question: In oder to to compare two groups (Control group and treatment Group) and to find out if participants have a higher outcomes than non participants

In oder to to compare two groups (Control group and treatment Group) and to find out if participants have a higher outcomes than non participants (control group)

Which analysis is appropriate using SPSS (Two Way ANOVA or one way ANOVA if we have) :

- 2 independent samples (Control/treatment)

- 2 measurements (Pre test and Post Test) fro each person) : continuous variables

For the appropriate analysis, how to verify normality assumption and what can we do if it comes to use non parametric test (which one)

Thank you

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