Dr. Shar wants to test her theory that people feel less stressed after exercising. She measures students' stress levels and then has them perform 30 minutes of moderate exercise on a treadmill. After the treadmill segment, she measures their stress levels again. This is an example of a(n) ____ design.
a. factorial
b. between-subjects
c. within-subjects
d. survey
Question 2
Which of the following is an example of a low arousal and pleasant emotion?
a. Frustration
b. Tiredness
c. Relaxation
d. Astonishment