In two separate studies, the actual difference between the means of a treated group and an untreated group is 3 points. However, in one study, the σM1 − M2 is very large and so the 3 points is not found to be significant. In the other study, the σM1 − M2 is very small and so the 3 points is found to be significant. What might have caused this big difference in the σM1 − M2 for the two studies?
Did you know you can hire someone to answer this question? Yes, classaider.com is a hub of paper writers dedicated to completing research and summaries, critical thinking tasks, essays, coursework, and other homework tasks. It is simple as ABC.