For a repeated measures t test, the null hypothesis attributes
A) mean differences between pre- and post-test scores to random sampling error.
B) any differences between the means for group 1 and group 2 to random sampling error.
C) mean differences between pre- and post-test scores to the effects of an independent variable.
D) any differences between the means for group 1 and group 2 to the effects of an independent variable.

Question

Quizplus · Accepted Answer

The null hypothesis for a repeated measures t test is that any mean differences between pre- and post-test scores are attributed to random sampling error. This means that any observed differences are not statistically significant and can be explained by chance.

For a Repeated Measures T Test, the Null Hypothesis Attributes