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111.
The search for robust and durable interventions in everyday situations typically involves the use of delayed reinforcers, sometimes delivered well after a target behavior occurs. Integrating the findings from laboratory research on delayed reinforcement can contribute to the design and analysis of those applied interventions. As illustrations, we examine articles from the Journal of the Experimental Analysis of Behavior that analyzed delayed reinforcement with respect to response allocation (A. M. Williams & Lattal, 1999), stimulus chaining (B. A. Williams, 1999), and self-control (Jackson & Hackenberg, 1996). These studies help to clarify the conditions under which delayed reinforcement (a) exercises control of behavior, (b) entails conditioned reinforcement, and (c) displaces the effects of immediate reinforcement. The research has applied implications, including the development of positive social behavior and teaching people to make adaptive choices. DESCRIPTORS: delayed reinforcement, response allocation, stimulus chains, self-control, integration of basic and applied research 相似文献
112.
Jones AH 《Science and engineering ethics》2003,9(2):243-256
The purpose of this article is to encourage and help inform active discussion of authorship policies among members of scientific societies. The article explains the history and rationale of the influential criteria for authorship developed by the International Committee of Medical Journal Editors, examines questions about those criteria that emerge from authorship policies adopted by several U.S. medical schools, and summarizes the arguments for replacing authorship with the contributor-guarantor model. Finally, it concludes with a plea for scientific societies to play a prominent role in the ongoing debates about authorship and the alternatives as part of their efforts to encourage ethical conduct among their members. Whether or not scientific societies develop authorship policies of their own, they should undertake vigorous educational efforts to keep their new members adequately informed about the importance of authorship practices in ethical scientific research and publication. 相似文献
113.
This study investigated students' allocation of responding as a function of task difficulty and type of reinforcement contingency (i.e., accuracy based or time based). Four regular education fourth-grade students were presented with two identical stacks of easy and then difficult math worksheets using a reversal design. Regardless of condition, completing problems from each stack of worksheets was reinforced according to a different contingency; one required correct completion of math problems (accuracy based) and one required on-task behavior (time based). Results suggested that 3 of the 4 students preferred the accuracy-based contingency when given easy material and the time-based contingency when given difficult material. One student allocated more responding to the accuracy-based contingency when given easy problems but did not show a clear preference for either contingency with difficult problems. The implications of these findings for designing reinforcement-based programs for tasks of varying difficulty are discussed. 相似文献
114.
Visual Attention Patterns of Socially Anxious Individuals When Using Facebook: An Eye Tracking Study
Social networking sites (SNSs) are an increasingly used medium for social interactions. For socially anxious individuals, SNS-based communication is often preferred over traditional face-to-face socializing. Yet, research on SNSs usage and social anxiety is still less common, with extant studies being mostly correlational among healthy nonanxious participants. Conversely, here, we examined differences in actual gaze patterns to social and nonsocial stimuli between socially anxious and nonanxious individuals while using Facebook. Socially anxious and nonanxious student participants freely viewed a genuine Facebook profile page designed for the present study, for 3.5 minutes, containing 12 social and 12 nonsocial picture stimuli. Gaze patterns on social and nonsocial areas of interest (AOIs) were explored. Subjective uneasiness experienced when viewing the social pictures and state anxiety were also assessed. Finally, 2 weeks following the task, we evaluated participants’ willingness to participate in a follow-up (fictitious) study that required them to passively view their own Facebook profile, and then to actively use it. Results showed that compared with nonanxious participants, socially anxious participants demonstrated a viewing pattern less favoring social pictures, reflecting an attentional avoidance tendency. A significant inverse correlation between subjective uneasiness and percent of dwell time spent on the social AOI emerged. Socially anxious participants also reported higher levels of state anxiety, which was significantly positively correlated with uneasiness scores. Finally, socially anxious participants were also less willing to actively use their Facebook profile page. This study suggests that social anxious individuals are characterized by attentional and behavioral avoidance tendencies when using Facebook. 相似文献
115.
The material yard is the origin of the production process for manufacturing firms. If materials are not stored at appropriate locations of the yard, then the stacking operation and the subsequent reclaiming operation will be inefficient in terms of time. In this paper a multicriteria approach which utilizes local trade-offs between different criteria in the absence of an explicit overall preference function is proposed to solve the material yard planning problem. The idea is to linearize the unknown preference function at a given point in the solution space. If the trade-offs between different criteria at this point can be determined via some mechanism, then a better solution can be derived. This process is continued until it converges to a stationary point, namely the optimal solution. To illustrate this idea, a case of the China Steel Co. in Taiwan is presented. The results from a simulation study indicate that the proposed approach is able to find a very good solution which satisfies all the criteria in a rather short transition period. © 1997 John Wiley & Sons, Ltd. 相似文献
116.
投资决策进化心理学的研究:预期的私人资金分配和父母对子女的差异性精力投入 总被引:1,自引:0,他引:1
投资决策的进化心理学研究着眼于辨认人类获得进化适应的特定环境中经常出现的典型性风险,探寻为了应对这些风险而进化出的信息处理机制,并验证现时的社会因素和个体因素对这些心理机制的激活或抑制作用。在研究一中,被试预测了与自己同龄的男人或女人如何分配一笔中彩的奖金给自己和其他可能的受益人。研究发现:(1)钱数的分配大体由亲缘关系的疏密程度决定;(2)两性被试都假想男性比女性更慷慨,但实际上男性表现得更自利;(3)女性被试预测男性中奖人的金钱分配比男性被试预测女性中奖人的金钱分配更为准确;(4)女性被试的受益人更多,分享的社会范围更广。研究二探讨了父母对子女投入精力的不同取决于家庭的相对财富而非绝对财富的进化心理学假说。用哺乳与否和生育间隔期为测量指标,研究结果显示:(1)家庭实际收入影响父母对子女的总投入;(2)与邻里家庭相比,父母对于自己家庭相对收入的认知影响了对子女有别的差异性精力投入。基于男性普遍在财富和生育数量上比女性有更大的变异度,投资儿子比投资女儿更具博弈性。两项研究表明,人类的理性决策既受限于社会关系又适应于相对的财富状况 相似文献
117.
Clinicians sometimes disagree about how much to honor surrogates’ deeply held cultural values or traditions when they differ
from those of the host country. Such a controversy arose when parents requested a cultural accommodation to let their infant
die by withdrawing life saving care. While both the parents and clinicians claimed to be using the Best Interests Standard
to decide what to do, they were at an impasse. This standard is analyzed into three necessary and jointly sufficient conditions
and used to resolve the question of how much to accommodate cultural preferences and how to treat this infant. The extreme
versions of absolutism and relativism are rejected. Properly understood, the Best Interests Standard can serve as a powerful
tool in settling disputes about how to make good decisions for those who cannot decide for themselves. 相似文献
118.
Uncertainty of one’s future is the essential problem of saving decisions. Unlike previous experimental studies, we capture this crucial uncertainty by a scenario-based satisficing approach. Decision makers first form aspirations for a few relevant scenarios, and then search for consumption plans guaranteeing these aspirations. Our aim is to investigate whether agents make satisficing choices and, if so, how satisficing relates to optimality. We find that satisficing allocations can be reached easily when aspirations are incentivized, although aspiration levels are rather far from what optimality suggests. 相似文献
119.
Roxane de la Sablonnière Armelle Nugier Nada Kadhim Emmanuelle P. Kleinlogel Mathieu Pelletier-Dumas Serge Guimond 《European journal of social psychology》2020,50(3):614-633
Recent advances in social psychological research have shown that national integration policies influence how immigrants are perceived and treated by the mainstream population. However, the processes by which these policies come to have an impact on prejudice and well-being of the general population are largely unknown. Moreover, past research has often relied on unrepresentative samples limiting generalizability. The present research proposes that when the national integration policies of a given society are perceived as clearly defined and coherent, they have a direct impact on the perceived cultural norm related to those national integration policies. In turn, the perceived cultural norm affects personal attitudes toward cultural norms (i.e., the degree to which individuals support a given policy), which influence the level of anti-immigrant prejudice as well as psychological well-being. Findings from two correlational studies with representative samples of the mainstream population conducted in France on the policy of secularism (N = 940) and in Québec on the policy of interculturalism (N = 912) supported the proposed theoretical model. 相似文献
120.
Daniela E. Miranda Manuel García-Ramírez María J. Albar-Marín 《American journal of community psychology》2020,66(3-4):347-357
The pervasive failure of policies aimed at overcoming health inequities suffered by European Roma reflects the oppressive and impoverished living conditions of many ethnic minorities in the Western world. The multiple social inequities that Roma experience and the cumulative effect on their health prove that the failure of health policies that impact Roma must be attributed to their ameliorative nature. These policies legitimize the mechanisms of oppression that sustain inequities, fueling fatalistic attitudes toward minorities, while these minorities internalize the stigma and attempt to survive on the margins of society. This paper presents the RoAd4Health project, a community initiative in which academic researchers partnered with Roma communities to overcome health inequities. We present the multiple methods utilized for building meaningful advocacy, such as photovoice and asset mapping led by Roma agents of change. These methods provided the capacity to develop a local narrative of disparities, build alliances to gain capacity to respond to injustices, and take actions to promote social change. The results of effectively involving all significant stakeholders (i.e., community agents of change, residents, health and social care providers, Roma community grassroots organizations, and institutional actors) are discussed along with lessons learned. 相似文献