In short we'll try to gain insight into 4 (medicines) x 2 (gender) = 8 mean BDI scores. Our main research question is:ĭid our different medicines result in different mean BDI scores?Ī secondary question is whether the BDI scores are related to gender in any way. After 4 weeks, participants filled out the BDI, short for Beck's depression inventory. Each group was given a different medicine. Very basically, 100 participants suffering from depression were divided into 4 groups of 25 each. The screenshot below shows it in variable view. After reading it, you'll know what to do and you'll understand why. We'll run the analysis by following a simple flowchart and we'll explain each step in simple language. SPSS Two-Way ANOVA with Interaction Tutorial By Ruben Geert van den Berg under ANOVAĭo you think running a two-way ANOVA with an interaction effect is challenging? Then this is the tutorial for you.
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