In a Research Study, One-Third of the Subjects Were Injected

Multiple Choice

In a research study, one-third of the subjects were injected with adrenaline, one-third were given a tranquilizer, and one-third were injected with a placebo (salt water) . They were then shown a comedy film. The group injected with adrenaline laughed the most, the group given the tranquilizer laughed the least, with the placebo group falling between the two other groups. Which theory explains that the participants who received adrenaline had a stirred-up body, but no explanation for what they were feeling. Consequently, they became happy when the movie implied that their adrenaline arousal was due to amusement?

A) Schachter's cognitive theory
B) the Cannon-Bard theory
C) the James-Lange theory
D) the common sense theory