Two-factor Theory of Emotion - Supporting Evidence

Supporting Evidence

In the Schachter & Wheeler (1962) study the subjects were injected with epinephrine, chlorpromazine, or a placebo. Chlorpromazine is similar form of a tranquilizer. None of the subjects had any information about the injection. After receiving the injection, the subjects watched a short comical movie. While watching the movie, the subjects were monitored for signs of humor. After the movie was watched, the subjects rated how funny the movie was and if they enjoyed. The results concluded that the epinephrine subjects demonstrated the most signs of humor. The placebo subjects demonstrated fewer reactions of humor but more than the chlorpromazine subjects.

Erdmann & Janke (1978) administrated their subjects with ephedrine, adrenaline like substance or they were give a placebo. The administrators informed the subjects that they were testing the comparison between pills and powders. Therefore, the subjects were not aware they had taken a drug. After the drug was taken, the subjects followed one of four different routes: neutral, happy, anger, or anxiety conditions. For the neutral condition the subjects rated a text on the nature of the experiment. For the happy conditions subjects were reminded that they had done very well on an earlier mock intelligence test. Then they were asked several complimentary questions, such as: how many grades had they skipped in school? In the anger conditions subjects it was the exact opposite. They were told how horrible they had done on a previous intelligence examination, and were asked how many times they had to repeat a grade in school. While for the subjects in the anxiety conditions, subjects were told they would be receiving electric shocks and were given several mild shocks. The result found that both physiological and self reported data showed that the drug increased the subject’s arousal levels over the placebo effect. Data from the mood scale showed that drug manipulation increased the angry and happy conditions, although the happy subjects felt much happier than the anger condition subjects.

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