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151.
努力(Effort)与奖赏系统关系密切。当前关于努力在奖赏加工中的作用存在两个截然相反的观点:努力是一种成本还是一种奖赏?理论模型包括:其一, 努力是一种成本, 会降低奖赏的价值, 相应的理论解释包括内部成本模型、机会成本模型及信号模型等; 其二, 努力能够提升奖赏的价值, 相应的理论解释包括认知失调和努力的合理化模型、习得性勤奋理论及认知需求理论等。这两种观点均得到了来自于动物学、行为学、电生理学以及神经影像学等证据的支持。未来研究需要对努力准确定义, 从时间进程角度对努力的理论进行整合, 进一步考察努力的相关影响因素。 相似文献
152.
153.
We examined the use of a multicomponent treatment for food refusal exhibited by a 5-year-old boy who had been diagnosed with mild to moderate mental retardation. Treatment consisted of access to highly preferred tangible items, which were removed contingent on problem behavior or not accepting a bite, and differential reinforcement of alternative behavior. Treatment resulted in an increase in food acceptance to 100% of bite offers and near-zero rates of problem behavior. In addition, the participant's caregivers were successfully trained to implement the treatment. 相似文献
154.
Three experiments are presented that compare the residual cost found when shifting from one task to another under different extra-response conditions, to test whether the response is the main factor to complete mental set reconfiguration. We investigated whether residual costs can be eliminated if participants carry out a response prior to completing switch trials. In all experiments, participants were required to press an extra key during the inter-trial interval (ITI) to proceed. In experiment 1, this extra response consisted of pressing the space bar. In experiment 2, the response consisted of pressing one of the two possible keys that belonged to the alternating tasks response set. In experiment 3, the interpolated response involved pressing one of the two possible keys, not belonging to the response set of the alternating tasks. We found no residual cost in the second or the third experiments. To explain the nature of residual cost we discuss the data in the context of a response cued completion hypothesis. 相似文献
155.
Nowadays, neo-institutionalistic approaches are prominent in economics, political science, the science of public administration and sociology. There is a general complaint about the vagueness of the concept of institutions and the apparent disparity of phenomena falling under it. This article shows how institutional legal theory provides a typology of institutions as sets of rules and corresponding patterns of regulated behaviour that can help to avert much confusion. The typologys usefulness is tested by applying it to an array of private governance structures distinguished by transaction cost economics.The author would like to thank two anonymous referees for their valuable comments on an earlier version of this article.See for an extensive account of these two developments K. van Kersbergen and F. van Waarden, Shifts in Governance: Problems of Legitimacy and Accountability. Paper on the theme Shifts in Governance as part of the Strategic Plan 2002--2005 of the Netherlands Organization for Scientific Research (NWO) (The Hague: NWO, 2001). 相似文献
156.
Conyers C Miltenberger R Maki A Barenz R Jurgens M Sailer A Haugen M Kopp B 《Journal of applied behavior analysis》2004,37(3):411-415
This study investigated the effectiveness of response cost and differential reinforcement of other behavior (DRO) in reducing the disruptive behaviors of 25 children in a preschool classroom. Using an alternating treatments design, disruptive behavior was reduced when the participants earned tokens for the absence of disruptive behavior (DRO) or lost tokens for the occurrence of disruptive behavior (response cost). Initially, DRO was more successful in reducing the number of disruptive behaviors; however, over time, response cost proved to be more effective. 相似文献
157.
Benjamin R. Thomas Matthew D. Bowman Aaron Sanchez Craig W. Strohmeier 《Behavioral Interventions》2023,38(3):611-624
Pica is a severe behavior disorder involving the persistent consumption of nonnutritive substances. Due to health complications and risks for fatality, designing effective behavioral treatments that are feasible for implementation by family members at home is imperative. This case report presents a parent-conducted functional analysis and treatment evaluation of automatically maintained pica in a teenager with autism spectrum disorder. Initial treatment with a competing stimulus was effective when paired with response interruption and redirection. Although effective, this combination of treatment components required very close parental proximity and led to increases in untargeted body-oriented pica (e.g., ingestion of skin, hair, and nails). Upon extending treatment to include the second topography of pica, both the originally targeted (object-oriented) pica and body-oriented pica decreased. Nonetheless, treatment effects were not sustained while fading parent proximity. The treatment was then augmented a third time with response cost. This final treatment package produced clinically significant reductions in all pica, facilitated parent proximity fading until the participant was alone, extended to their home, and maintained over a year of follow up. 相似文献
158.
Thomas W. Miller Kevin Spicer Robert F. Kraus Tag Heister Jaye Bilyeu 《Journal of Contemporary Psychotherapy》1999,29(2):143-154
Examined are various models of assessing cost-effectiveness in the use of psychological measures employed for screening patient pathology through psychological testing as a precursor to providing psychotherapy. Actual and simulated quality assurance studies are provided. The authors caution that cost-containment limited to financial incentives may have negative consequences for patient care. Systems analysis and program restructuring designed to better balance the service system through levels of care may be more clinically sound, and less costly. Clinical algorithms and critical pathways are discussed, as are recommendations that incorporate psychological testing services as an ingredient in providing contemporary psychotherapy. 相似文献
159.
Multiple sleep problems of a 2-year-old girl improved following treatment with a faded bedtime with response cost procedure (Piazza & Fisher, 1991). These results extend the literature by implementing treatment in a home setting with a nondisabled child using the parents as therapists. 相似文献
160.
In previous research, children with attention deficit/hyperactivity disorder (AD/HD) have demonstrated impaired response inhibition on the stop paradigm. In this study we examined whether this impairment in fact reflects a motivational deficit. Four groups of children (age range 7–13 years) participated in the study: 14 AD/HD children, 21 normal controls, 14 disruptive children, and 14 anxious children. The psychopathological groups were recruited from special educational services and mental health outpatient clinics. Parent, teacher, and child questionnaires were used to select children with pervasive disorders. Normal controls attended regular classes and scored low on all questionnaires. Children were tested once with reward contingencies and once with response cost contingencies in a randomized cross-over design. We hypothesized that if a motivational deficit underlies poor response inhibition in AD/HD children, this deficit will be remedied by response contingencies. Despite the presence of response contingencies, AD/HD children showed poor response inhibition compared with normal controls. Findings argue against a motivational explanation for the response inhibition deficit in AD/HD children 相似文献