Anyone know about ANOVA interactions?Watch
I haven't been on here before so I don't know what level of education it's aimed at.. Anyway, I'm a third year psychology student and am doing my dissertation which has a rather complex research design. It's a 2x2x2 mixed design (2 between-subjects factors, and one within-subjects factor), and I've managed to do the basic 3-way ANOVA on SPSS, and I'm pretty confident in the interpretation of these results (I had 2 significant main effects, and one significant 2-way interaction).
The thing I'm COMPLETELY stuck on (I've looked in SO many books and on the internet) is about following up the main effects and the interaction effect. One book said that doing separate t-tests (or one-way ANOVAs) on each level of each factor might be the right way to go. I did do the t-test and one-way ANOVA (same p value came out, of course), however, another book said that this wasn't the correct analysis, and gave these really complex calculations to do by hand.
What should I do???
I'd really appreciate it if anyone could tell me anything to help me with this, because I'm completely stumped at the moment!