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61.
Social scientists have documented more negative reactions to the concept of welfare versus the concept of poor, despite the fact that both labels can be used almost interchangeably in current political discussions. We believe that the most proximal explanation rests in the different attributional information contained within the stereotypes of welfare recipients versus poor people. Three studies were conducted to test this idea. The results suggest that the attributional content within stereotypes of welfare recipients, particularly their greater responsibility for their impoverished state compared with poor people, most influences the public's more negative reaction to welfare. The results are discussed in terms of how the rhetoric of stereotypes may be exploited in the political domain.  相似文献   
62.
Convergence among theoretical perspectives in clinical psychology during the last decade has moderated many earlier disputes concerning the worth and propriety of personality assessment. Survey data indicate that traditional psychodiagnostic methods continue to be widely used and taught. New directions in professional practice, especially in relation to health and forensic concerns, are providing increasing opportunities for clinical psychologists to find rewarding roles as expert diagnostic consultants.  相似文献   
63.
Failure was hypothesized to be an antecedent of a reflective style of responding and frustration an antecedent of an impulsive style. Failure and frustration were manipulated with an anagrams task and their effect on latency and errors on the Matching Familiar Figures Test (MFF) was assessed. The Failure group increased its latency on the MFF, replicating Messer's (1970) research, while the Frustration group showed a nonsignificant decrease in latency. There was a relation between an increase in latency and a decrease in errors on the MFF. The findings were related to research on the “frustration effect” in children and were interpreted as suggesting the need for research on the effects of the amount and patterning of failure on reflection-impulsivity.  相似文献   
64.
Conceptual and empirical perspectives on the Rorschach assessment of psychopathology are described and placed in a complementary perspective that stresses the value of conceptual formulations and the necessity of empirical data. Empiricism without concepts fails to explain adequately why Rorschach assessment yields useful information; conceptualization without empirical support fails to document adequately the psychometric soundness of Rorschach inferences. Used in tandem, explanatory concepts and supportive data enhance the scientific stature and professional utility of Rorschach assessment.  相似文献   
65.
A problem-solving approach to the treatment of stuttering, called vocal control therapy, has been shaped over a 4-year period. The program includes behavioral desensitization techniques as well as retraining vocal, respiratory, and other speech functions for fluency. Data from pre- and posttherapy video tapes of 12 out of 34 cases are given. Theoretical and clinical implications are discussed.  相似文献   
66.
Controlling human fixed-interval performance   总被引:9,自引:9,他引:0       下载免费PDF全文
Both high and relatively constant rates of responding without post-reinforcement pauses and lower rates with pauses after reinforcement are produced by human subjects under fixed-interval (FI) schedules. Such FI rates and patterns may be controlled when subjects are provided with different histories of conditioning and different conditions of response cost (reinforcement penalties per response). Subjects with a conditioning history under ratio schedules typically produce high and relatively constant rates of responding under FI schedules; this responding does not change systematically with changes in FI value. In contrast, subjects with a history under schedules which produce little or no responding between reforcements [such as differential-reinforcement-of-low-rate (DRL) schedules] tend to pause after reinforcement and respond at low rates under FI schedules, whether or not they also have ratio conditioning histories; cost increases the likelihood of this type of performance. For DRL-history subjects, post-reinforcement pauses increase and response rates decrease as FI values increase.  相似文献   
67.
68.
The effects of several conditions of response cost (response-produced point loss) upon FR 50 performance maintained by 100-point reinforcements were investigated. Post-reinforcement pauses did not appear under no-cost (no points deducted per response) conditions. Such pauses were effected, however, by introducing 5-sec periods of one-point and two-point costs after each reinforcement. Continuous response cost did not affect responding as long as the cost was less than the 100-point reinforcements. Rapid cessation of responding occurred when continuous response cost was made equal to reinforcement.  相似文献   
69.
Neural substrates of latent inhibition: the switching model   总被引:8,自引:0,他引:8  
Latent inhibition (LI) refers to decrement in conditioning to a stimulus as a result of its prior nonreinforced preexposure. It is a robust phenomenon that has been demonstrated in a variety of classical and instrumental conditioning procedures and in many mammalian species, including humans. The development of LI is considered to reflect decreased associability of, or attention to, stimuli that predict no significant outcome. The fact that LI is considered to be a reflection of attentional processes has become of increasing importance to neuroscientists who see LI as a convenient tool for measuring the effects of drug treatments and lesions on attention. The present article surveys the data on brain systems, which have been studied in regard to their involvement in LI. These are reviewed and discussed separately in sections on noradrenergic, cholinergic, dopaminergic, serotonergic, and septo-hippocampal manipulations. On the basis of these data, it is concluded that the neural substrates of LI include the mesolimbic dopaminergic system, the mesolimbic serotonergic system, and the hippocampus. It is proposed that the preexposed stimulus loses its capacity to affect behavior in conditioning, even though it predicts reinforcement, because the hippocampus inhibits the switching mechanism of the nucleus accumbens via the subiculum-accumbens pathway. This action of the hippocampus is modulated by the mesolimbic serotonergic system via its interactions with the hippocampal or mesolimbic dopaminergic systems, or both.  相似文献   
70.
Principles from attribution theory were used to analyze public reactions to the health status of Magic Johnson. An experimental study containing two distinct samples (college students and African-American adults) together with supplemental reports from local and national media confirm the value of this approach. The findings show that inferences about causal responsibility are related to affective reactions of sympathy and anger toward Magic Johnson. Implications for attribution theory, as well as for future attitudes toward Magic Johnson, are discussed.  相似文献   
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