In a correlated t test, if the independent variable has no effect, the sample difference scores are a random sample from a population where the mean difference score ( µ D ) equals _________.
A) 0
B) 1
C) N
D) cannot be determined

Question

Quizplus · Accepted Answer

If the independent variable has no effect, the null hypothesis states that the population mean difference score (µ D) is equal to 0. Therefore, in a correlated t-test, if the independent variable has no effect, the sample difference scores are a random sample from a population with a mean difference score of 0.

In a Correlated T Test, If the Independent Variable Has