Two-factor Theory of Emotion - Results

Results

Singer and Schachter checked the results of the injections and the bodily state. Singer and Schachter asked themselves a single question, "do the injections of epinephrine produce symptoms of sympathetic nervous system (SNS) discharge as compared to the placebo injections?" In Singer and Schachter's results, the epinephrine group showed more SNS activation than the group which received the placebo: the pulse rate of the epinephrine subjects had increase tremendously compared to the placebo (whose pulse rates decreased.)

The results showed all their possible comparisons on the symptoms, mean scores of the epinephrine conditions were significantly greater than the corresponding scores in the placebo (P < .001). Singer and Schachter's examination of the two groups of subjects showed that epinephrine subjects were indeed in a state of physiological arousal, while the placebo subjects were in an normal or non aroused physiological state.

Effects of the manipulation on the emotional state were both significantly observable. Singer and Schachter believed that different results in the epinephrine misinformed vs epinephrine informed groups makes it clear that the experimental differences in SNS arousal are not an artifact of expectations. (With a few subjects the epinephrine did not have any effect at all. Those subjects did not report any tremors, showed no increase in pulse, and did not have any other relevant physical symptoms.)

It was clear from the study that cues had a strong effect on euphoria. There was consistent pattern that epinephrine misinformed and ignorant subjects were the most euphoric. They were more euphoric than the placebo subjects and the epinephrine informed subjects. The research concluded that subjects can be manipulated into states of euphoria, anger, or amusement. If a subject has a state of physiological arousal with no explanation he will label this state due to the cues available to him. Therefore, this means that by manipulating the cues available to an aroused subject, his or her emotional responses can be manipulated.

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