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Lucas Couto de Carvalho Letícia dos Santos Alceu Regaço Thiago Braga Barbosa Rafael Fernando da Silva Deisy das Graças de Souza Ingunn Sandaker 《Journal of the experimental analysis of behavior》2018,110(1):105-126
The present study investigated the effects of fixed‐ratio (FR) and variable‐ratio (VR) reinforcement schedules on patterns of cooperative responding in pairs of rats. Experiment 1 arranged FR 1, FR 10, and VR 10 schedules to establish cooperative responding (water delivery depended on the joint responding of two rats). Cooperative response rates and proportions were higher under intermittent schedules than under continuous reinforcement. The FR 10 schedule generated a break‐and‐run pattern, whereas the VR 10 schedule generated a relatively high and constant rate pattern. Experiment 2 evaluated the effects of parametric manipulations of FR and VR schedules on cooperative responding. Rates and proportions of cooperative responding generally increased between ratio sizes of 1 and 5 but showed no consistent trend as the ratio increased from 5 to 10. Experiment 3 contrasted cooperative responding between an FR6 schedule and a yoked control schedule. Coordinated behavior occurred at a higher rate under the former schedule. The present study showed that external consequences and the schedules under which the delivery of these consequences are based, select patterns of coordinated behavior. 相似文献
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Susana N. Almeida Robert Elliott Eunice R. Silva Célia M. D. Sales 《Counselling and Psychotherapy Research》2024,24(1):180-189
Fear of cancer recurrence (FCR) involves anxiety about the possible return or progression of the disease. It is common among people surviving cancer, covering a range of adaptive and maladaptive responses including clinical presentations of FCR, for which different psychological interventions have been developed, most within the cognitive-behavioural paradigm. Recently, emotion-focused therapy (EFT) has been proposed as an alternative and has been the subject of research focusing on the cancer population and cancer-related issues, including FCR. In this study, we looked closely at a successful case from a larger exploratory study, carrying out a discovery-phase task analysis aimed at identifying the main components of EFT–FCR. We found that this approach generally followed the usual structure of an EFT intervention, with four distinct phases. However, we identified some specific secondary processes (e.g., hypervigilance and catastrophising) and clarified the nature of the core pain in this presentation as existential (e.g., fear of dying). 相似文献
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David E. Conroy John M. Silva R. Renee Newcomer Brent W. Walker Matthew S. Johnson 《Aggressive behavior》2001,27(6):405-418
Recent international attention from the media and professional organizations has focused increasingly on violent incidents in sport. The present study developed and used the Sport Behavior Inventory (SBI) to examine personal and participatory variables that influence the socialization of the perceived legitimacy of aggressive sport behavior in children and adolescents ages 8–19 enrolled in public schools. In phase I of this study, the psychometric properties of the SBI as a measure of perceived legitimacy were evaluated in terms of content validity, structural validity, internal consistency, convergent validity, and discriminant validity. A multiple regression analysis in phase II indicated that increases in athletes’ perceptions of the legitimacy of aggressive sport behavior were positively related to age, being male, and contact sport participation. Results were discussed in relation to the social factors that contribute to the development of perceptions of legitimacy for aggressive sport behavior, and future research uses for the SBI. Aggr. Behav. 27:405–418, 2001. © 2001 Wiley‐Liss, Inc. 相似文献
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Context memories initially require the hippocampus, but over time become independent of this structure. This shift reflects a consolidation process whereby memories are gradually stored in distributed regions of the cortex. The function of this process is thought to be the extraction of statistical regularities and general knowledge from specific experiences. The current study examined this idea in mice by measuring the specificity of context memories during consolidation. In the first experiment, separate groups of animals were trained with a single shock and tested in the training context or a novel environment 1, 14, 28, or 36 d later. We found a systematic increase in generalization over this period. Initially, mice froze more in the training context, but fear of the novel environment grew over time until animals eventually froze an equivalent amount in both contexts. The second experiment demonstrated that the increase in generalization was due to a loss of detailed information about the context and not fear incubation. In this experiment, mice were exposed to the context and then trained with an immediate shock 1 or 36 d later. Animals trained 1 d after exposure acquired robust context fear that did not generalize across environments. In contrast, mice trained 36 d after exposure froze an equivalent amount in the training context and the novel environment. The same profile was observed in H-ras mutants that exhibit enhanced hippocampal plasticity and learning. These results suggest that context memories are specific early after training when they require the hippocampus, and become more general as they are permanently stored in the cortex. 相似文献
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Mellina da Silva Terres Mrcia Maurer Herter Diego Costa Pinto Jos A. Mazzon 《Journal of Consumer Behaviour》2020,19(3):277-290
By analyzing three experimental studies, this research tests how and when sophisticated service environment designs (compared to modest service designs) can minimize consumers' negative emotions and increase repurchase intentions after a failure. Drawing on part‐list cueing literature, this research proposes that when a service failure occurs in a sophisticated (vs. modest) environment, consumers will rely on the sophisticated style of design as cues for service quality. We argue that sophisticated (vs. modest) service designs work as strong cues for quality that restrict the retrieval of negative information by consumers and can minimize the negative impacts of service failure, reducing consumers' negative emotions and increasing repurchase intentions. We further advance our theorizing by showing how choice failure consequences (i.e., the risk or consequence related to the service choice) moderate the effects via associative pathways of retrieval. The findings contribute to theory and practice by revealing how service designs can serve as cues to mitigate adverse consequences of service failure. 相似文献