I have a data set that looks like this:
GROUP WEEK1 WEIGHT(kg) WEEK2 WEIGHT(kg) WEEK3 WEIGHT(kg) Control Subject C1 40 42 44 Subject C2 52 57 57 Subject C3 55 55 60 Subject C4 45 47 49 Experimental Subject E1 38 40 49 Subject E2 42 47 50 Subject E3 55 60 68 Subject E4 65 77 88
My question is: What tool shall I use to test my hypothesis that the two groups (control and experimental) do not significantly differ with regard to weight?
Please note that the weights are repeated measures. I understand that if I were to examine the data per group (
Control first, then
Experimental), I'd perform a repeated measures ANOVA for control and another for experimental.