Study Questions

Short Answer

1. When would you carry out the related/paired samples t test?
Ans: The related/paired samples t test is used when you have two set of scores that are dependent in some ways. This means that you can “pair” or “match” a score in one group to another score in the second group.
Learning Objective: 10-1: How can we compare data from two different situations for the same participants?
Cognitive Domain: Comprehension
Answer Location: Samples With Related/Paired Data

2. When you have two scores from the same participants, what is the first step in conducting a related/paired samples t test?
Ans: When you have two scores from the same participants, you must first calculate difference scores.
Learning Objective: 10-3: How are difference scores used in a t test?
Cognitive Domain: Knowledge
Answer Location: Samples With Related/Paired Data