Other things being equal, compared to the paired-samples (or dependent) t-test, the independent t-test:
A)Is less robust.
B)Has less power to find an effect.
C)Has more power to find an effect.
D)Has the same amount of power, the data are just collected differently.

Question

Quizplus · Accepted Answer

The independent t-test generally has less power than the paired-samples t-test because it does not account for the correlation between paired observations, which can reduce variability and increase power in the paired-samples t-test.

Other Things Being Equal, Compared to the Paired-Samples (Or Dependent)