@LabPlot@programming I'd say its difficult to tell without at formal statistical assessment, but if I had to pick, i'd say B. The difference between pre and post in A is just a continuation of a pre=existing trend. The difference in C looks like it might be reverting to mean over time, or even getting worse than it was prior to the change if the study went on longer.
@LabPlot @programming I'd say its difficult to tell without at formal statistical assessment, but if I had to pick, i'd say B. The difference between pre and post in A is just a continuation of a pre=existing trend. The difference in C looks like it might be reverting to mean over time, or even getting worse than it was prior to the change if the study went on longer.