Individuals' failure to exercise actual control over an event might be compensated for by trying to bolster a generalized, subjective sense of control. Control might then be sought by undertaking acts the effect of which on the environment is illusory. This observation led to the hypothesis that stress, which undermines persons' sense of control, would engender illusory perceptions of controllability. The hypothesis was tested in 3 experiments that required Ss to choose between 2 gambling forms. Although the 2 forms were essentially identical, 1 was designed to instill an illusion of control. The results showed that highly stressed Ss, compared with those who experienced low stress, preferred gambling forms that heightened perceptions of controllability.
Decision making is often made difficult by the knowledge that one has to live with the outcomes of one's choices and with the regret that these might engender. Formal theories propose that regret is proportional to the difference between the outcome of the option chosen and the expected outcome of the next best alternative that one may have chosen instead. It follows that the number of alternatives available for choice does not affect post-decisional regret. In this study, however, the authors proposed that regret is related to the comparison between the alternative chosen and the union of the positive attributes of the alternatives rejected. This general proposition yielded 2 hypotheses: (a) the larger number of alternatives from which one can choose and (b) the more diverse those alternatives are, the stronger the regret that an unsatisfactory choice would cause. These hypotheses were tested and supported by 4 experiments.
A cross-national experimental study examining perceptions of four procedural models for adjudicative conflict resolution was conducted in four countries—the United States, Britain, France, and West Germany—whose legal procedures are based on differing adjudicative models. One hundred seventy-eight subjects rated the four models on a number of dimensions, including their preference for using the model for settling a conflict, the fairness of the model, and the amount of control over the resolution of the conflict vested in each of several roles. Approximately half of the subjects at each site were asked to assume the role of defendant in the adjudicated conflict, and half were asked to assume the role of plaintiff. The results showed a general preference for more “adversary” (disputant-controlled) models over more “inquisitorial” (adjudicator-controlled) models. This preference was not limited to subjects from nations (the United States and Britain) whose legal systems are based on adversary models. The conclusions of the study focused on the relationship between subjects' model preferences and the distribution of control over the adjudicative process among roles, and on the generality of this relationship in the nations studied.
In a pame-simulation context, tax evasion behavior of 13 subjects was observed. The probability that tax evasion will be detected and fined appears to be a more effective deterrent than the size of such fines, although both the magnitude of finm and their probability affect tax evasion. Vague information about the probability that fines will be imposed enhances the deterrent power of low probability audits and small fines.
Evidence exists that the intention to perform certain cognitive tasks activates, unintentionally, competing responses and computations that intrude on the performance of the intended tasks. For the intended task to be performed effectively, such intrusions must be controlled. Two experiments were carried out to test the hypothesis that stress heightens the difficulty of exercising effective control over erroneous competing responses, a possible explanation of decrements in the performance of cognitive tasks under stress. Participants performed four tasks, which contained features that could potentially prime or activate erroneous responses. The results demonstrated that the interference of these features with performance was more pronounced among stressed than among less-stressed participants. The need for a more comprehensive theory of the effects of stress on information processing is discussed.
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