If the correlation is zero between paired scores, the t test for correlated groups is more powerful than the t test for independent groups.

Question

Quizplus · Accepted Answer

A zero correlation between paired scores indicates no relationship between the pairs, making the t test for correlated groups less powerful in this scenario compared to the t test for independent groups, as the former relies on the correlation to increase its power.

If the Correlation Is Zero Between Paired Scores, the T