Why is a dependent t-test usually more powerful than an independent t-test?
A) The denominator is smaller
B) The denominator is larger
C) The numerator is smaller
D) The numerator is larger

Question

Quizplus · Accepted Answer

In a dependent t-test, the denominator represents the variability within subjects, which is typically smaller than the variability between subjects in an independent t-test. Therefore, the dependent t-test is usually more powerful in detecting a significant difference between two related samples.

Why Is a Dependent T-Test Usually More Powerful Than an Independent