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21.
Parallel and serial timing processes are analyzed for their account of the dynamics of intertrial responding in the peak procedure. A strictly serial model, such as the behavioral theory of timing (Killeen & Fetterman, 1988), does not fit the dynamic correlation pattern in the location and duration of the middle high-rate responding portion of peak trials. In contrast, the parallel scalar expectancy theory model, with a sample for memory and threshold, does fit this pattern. A modification of the serial model is presented that also accommodates the within-trial covariance pattern. The modification, which is formally equivalent to a model for human tapping (Wing & Kristofferson, 1973), entails the addition of concurrent processes operating in parallel with serial timing. 相似文献
22.
教师期望对学生学业成绩的影响 总被引:12,自引:0,他引:12
采用教师期望评定量表、中学生学业成就动机量表,就教师期望对学生学业成绩影响的问题进行了问卷调查和数量分析。结果表明:教师期望通过影响学生的学习能力感和学业成就动机,影响学生的学业成绩;学生学业成绩的变化,对教师期望水平及其自身的学习能力感和学业成就动机也有影响;学生学习能力感和学业成就动机之间存在着互动的关系。 相似文献
23.
Jefferson M. Fish 《Applied and Preventive Psychology》1997,5(1):37-40
Therapy theorists' criticism of the lack of specific mechanisms in the prevention of mental disorders is examined from the perspective of solution-focused therapy (SFT), which argues that solutions can be unrelated to problems, and that it is not even necessary to know what a problem is in order to solve it. It is suggested that the shift of attention from problems to solutions in SFT offers a conceptual framework within which the criticism is not relevant, and from which theorists of therapy and prevention can share a common outlook. This outlook involves a focus on encouraging productive, useful, positive behavior, with a corresponding deemphasis on an skepticism about current conceptualizations of mental disorders. 相似文献
24.
Information on response requirements compared with information on food density as a reinforcer of observing in pigeons 总被引:3,自引:3,他引:0 下载免费PDF全文
Dinsmoor JA Bowe CA Green L Hanson J 《Journal of the experimental analysis of behavior》1988,49(2):229-237
On a variable-interval schedule, pecking the key to the pigeon's right (observing response) produced red or green displays relating to the delivery of grain and its dependence on pecking the key to the left (food key). During various blocks of sessions, mixed (no stimulus change) schedules including the following pairs of components were temporarily converted by the observing response to their corresponding multiple (correlated stimuli) schedules: variable-interval 60-s, extinction; variable-interval 60-s, variable-time (response-independent) 60-s; extinction, variable-time 60-s. Differences in food delivery maintained substantial rates of responding on the observing key, without regard to pecking requirements on the food key. Although stimuli correlated with differences in the response requirement on the food key maintained higher observing rates than those maintained by uncorrelated stimuli, they were much lower than those based on food. The value of predictive stimuli as reinforcers is determined by the value of the events predicted. In particular, the cost of pecking appears to be low, and this may place limitations on the applicability of energy-based and economic models of behavior. 相似文献
25.
An experimental examination of alcohol consumption,alcohol expectancy,and self‐blame on willingness to report a hypothetical rape 下载免费PDF全文
This study experimentally examined the role of victim alcohol intoxication, and self‐blame in perceiving and reporting rape to the police using a hypothetical interactive rape scenario. Participants (N = 79) were randomly assigned to consume alcohol (mean BAC = 0.07%) or tonic water before they engaged in the scenario. Alcohol expectancy was manipulated, and participant beliefs about the beverage they thought they had consumed and their feelings of intoxication were measured. Alcohol consumption and expectancy did not affect the likelihood that the nonconsensual intercourse depicted in the scenario was perceived and would be reported as rape. Participants with higher levels of self‐blame were less likely to say they would report the hypothetical rape. Self‐blame levels were higher for participants who believed they had consumed alcohol, and were associated with increased feelings of intoxication. The implications are discussed. 相似文献
26.
27.
Tanja Hentschel Susanne Braun Claudia Peus Dieter Frey 《European Journal of Work and Organizational Psychology》2018,27(1):112-125
Women have made considerable inroads into the workforce but remain underrepresented in leadership positions. Even though studies show that men and women hardly differ in their leadership behaviours, we argue that male and female leaders are evaluated differentially contingent on the gender-congruence of their leadership style. Drawing arguments from expectancy violation theory, we investigate evaluations of men and women who show transformational leadership (a style consisting of communal behaviours in line with stereotypes about women) and autocratic leadership (a style consisting of agentic behaviours in line with stereotypes about men). We employed a three-study research design combining two experimental studies and a two-wave field study with business leaders (overall N = 344). Overall transformational leadership resulted in higher evaluations of promotability due to higher perceptions of leaders’ communality and leadership effectiveness. Importantly, these effects were stronger for men, and men showing transformational leadership were evaluated to be more promotable than women. This implies a communality-bonus effect for male transformational leaders. There was no difference in promotability evaluations for women versus men showing autocratic leadership. This effect was mediated by agency and effectiveness perceptions for women but not for men. Implications are discussed. 相似文献
28.
Steven A. Hobbs Dennis L. Walle Gail A. Hammersly 《Journal of psychopathology and behavioral assessment》1979,1(4):281-288
The present study investigated the effects of subjects' outcome expectancy on self-monitoring of a clinically relevant behavior, overeating. In conjunction with self-monitoring of eating habits, subjects received either a positive expectancy of behavior change or no expectancy regarding change. While both self-monitoring groups achieved significantly greater weight loss than controls, subjects in the expectancy group demonstrated significantly greater weight loss than no-expectancy subjects. Possible factors accounting for the disparity in findings between this and previous self-monitoring investigations are discussed. 相似文献
29.
Hope and optimism may be differentially influential depending on the situational context. This study sought to (1) experimentally test whether hope and optimism differentially predict specific expectancies in controllable versus uncontrollable situations and (2) examine the relative impact of specific expectancies on affect when desired outcomes are (or are not) achieved. A 2 × 2 independent samples design was used to experimentally manipulate perceived control and situational outcome (i.e., success or failure). Online participants (N = 571) completed self-report measures of hope and optimism before being randomly assigned to one of four experimental conditions. Results showed that hope, but not optimism, predicted specific expectancies in the perceived control condition. Conversely, optimism, but not hope, predicted specific expectancies in the no perceived control condition. More optimistic specific expectancies of success predicted greater positive affect regardless of success or failure outcome. 相似文献
30.
Previous research has shown that adolescents’ insecurity about their social status is related to their use of relational aggression. However, little is known about how adolescents’ social cognition may moderate this association. Employing a mixed-method approach and a short-term longitudinal design, this study addresses this issue by examining the moderation effects of attribution and outcome expectancies regarding relational aggression on the associations between social status insecurity and relational aggression among 476 Chinese adolescents (238 girls). The main results showed that self-serving attributions and instrumental outcome expectancies strengthened the positive and longitudinal association between social status insecurity and self-reported relational aggression. The findings of this study enrich our knowledge about the social cognitive processes pertinent to peer status and relational aggression among adolescents. 相似文献