In a paired-samples t test, a possible confounding variable that can occur as a result of the within-groups design is:
A) counterbalancing.
B) repeated measures.
C) order effects.
D) error effects.

Question

Quizplus · Accepted Answer

In a paired-samples t test, participants complete both conditions of the experiment, which can lead to order effects. These order effects occur when completing the first condition impacts how participants perform on the second condition. For example, if participants become fatigued or bored during the first condition, this can impact their performance in the second condition, leading to differences in the scores that are not due to the independent variable being tested.

In a Paired-Samples T Test, a Possible Confounding Variable That