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71.
72.
Tolerance to the effects of cocaine on performance under behavior-correlated reinforcement magnitude
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Miller ML Brodkorb GW Branch MN 《Journal of the experimental analysis of behavior》2001,76(2):217-234
Four pigeons responded under a fixed-interval 8-min schedule of food delivery in which the amount of food delivered at the end of each interval depended on performance during the interval (i.e., a correlated schedule). Specifically, duration of access to grain was contingent upon the number of responses made during the first 4 min of the interval. This differential outcome did not affect response rates or patterning relative to performance under a simple fixed-interval 8-min schedule. Behavior under the correlated schedule was then investigated under doses of cocaine ranging from 0.3 to 10.0 mg/kg. A bitonic dose-response function was obtained for response rates and the time with head in the food hopper, whereas dose-dependent decreases were observed in the mathematical index of curvature (Fry, Kelleher, & Cook, 1960). The dose that produced the greatest increase in the head-in-hopper time was then administered prior to each session. Following repeated administration of cocaine, disruptions in response patterning were attenuated for all 4 pigeons; tolerance was also observed to the rate-increasing effects and increased head-in-hopper time for 2 pigeons after chronic cocaine administration. Tolerance therefore developed despite the fact that the initial effect of cocaine was to increase the amount of food obtained. 相似文献
73.
概化理论中的模型选择、数据解释和指标比较——评刘远我等的两篇论文 总被引:1,自引:0,他引:1
对刘远我等在1998年《心理学报》和1999年《心理科学》上发表的两篇慨化理论(GT)的应用研究论文.提出了对GT的一些主要问题的不同理解。这些问题包括模型选择、方差分量解释、一致性指标比较等。 相似文献
74.
Henry S. Roane Wayne W. Fisher Gina M. Sgro 《Journal of applied behavior analysis》2001,34(3):333-336
Fixed‐time (FT) schedules of reinforcement have been used to decrease destructive behavior. However, the effects of FT schedules on acquisition and maintenance of appropriate behavior remain unclear. In this study, we present a case in which an FT schedule produced an increase in adaptive behavior and resulted in a significant decrease in destructive behavior. 相似文献
75.
Cultural mindset is related to performance on a variety of cognitive tasks. In particular, studies of both chronic and situationally-primed mindsets show that individuals with a relatively interdependent mindset (i.e., an emphasis on relationships and connections among individuals) are more sensitive to background contextual information than individuals with a more independent mindset. Two experiments tested whether priming cultural mindset would affect sensitivity to background causes in a contingency learning and causal inference task. Participants were primed (either independent or interdependent), and then saw complete contingency information on each of 12 trials for two cover stories in Experiment 1 (hiking causing skin rashes, severed brakes causing wrecked cars) and two additional cover stories in Experiment 2 (school deadlines causing stress, fertilizers causing plant growth). We expected that relative to independent-primed participants, those interdependent-primed would give more weight to the explicitly-presented data indicative of hidden alternative background causes, but they did not do so. In Experiment 1, interdependents gave less weight to the data indicative of hidden background causes for the car accident cover story and showed a decreased sensitivity to the contingencies for that story. In Experiment 2, interdependents placed less weight on the observable data for cover stories that supported more extra-experimental causes, while independents' sensitivity did not vary with these extra-experimental causes. Thus, interdependents were more sensitive to background causes not explicitly presented in the experiment, but this sensitivity hurt rather than improved their acquisition of the explicitly-presented contingency information. 相似文献
76.
Kim Yin Chan Marilyn A. UyMoon-ho R. Ho Y.L. SamOleksandr S. Chernyshenko Kang-Yang Trevor Yu 《Journal of Vocational Behavior》2015
We examined the constructs underlying the Career Maturity Inventory-Adaptability Form (CMI-C) and the Career Adapt-Abilities Scale (CAAS). Data from 852 university students indicated that the second-order factors for both scales correlate .43, suggesting that they measure different yet related constructs. All three subscales of the CMI-C correlate most with the “concern” subscale of the CAAS rather than with the corresponding subscale. It appears that the CMI-C is a measure of particular career adaptability for choosing a career whereas the CAAS is a global measure of career adaptability for dealing with all of the tasks of vocational development across the life span. Regression analyses show that the CMI-C does not add to the prediction of boundaryless mindset and protean career attitudes over the CAAS. Relationships between the CMI-C and CAAS with entrepreneurial, professional, and leadership career motivation profiles showed that the CAAS is more strongly related to boundaryless mindset and protean career attitudes, while the CMI-C appears to relate to more traditional (professional and leadership) career motivations. 相似文献
77.
78.
Hiroki Takehashi Junko Toyosawa Satoshi Shimai Maki Yananose 《The Japanese psychological research》2024,66(2):166-177
This study examined the conceptual structure and motivational effects of growth mindsets based on the perspective of character strengths. An internet survey was conducted with 1,000 workers (500 males and 500 females; age range 20–59 years, M = 40.1 years, SD = 10.7 years). Participants were presented with 25 strengths (i.e., intelligence and 24 character strengths) and were asked to rate their perceived competence, growth mindset, and improvement intention for each strength. The exploratory factor analyses on perceived competence, growth mindset, and improvement intention identified five common factors: wisdom, willpower, temperance, transcendence, and groupness. Moreover, regression analyses indicated that a growth mindset was more strongly related to improvement intention than perceived competence. Furthermore, regression analyses found domain-specific effects of growth mindsets on improvement intention. Thus, the intention to improve a particular strength was more closely related to that particular growth mindset than to other growth mindsets. The theoretical and educational implications are aired in the discussion section. 相似文献
79.
80.
情境性启动法是对权力感进行内隐社会认知研究的重要方法。本研究首先对权力情境性启动的两种启动方法(概念启动和定势启动)进行介绍,接着通过两个实验对两种启动方法在中文背景下的适用性和有效性进行了验证,认为中文材料的概念启动和定势启动是适用和有效的,可以作为国内权力社会认知研究中启动权力的方法。最后对权力概念启动和定势启动的研究范式、方法差异和内在机制进行了讨论。 相似文献