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排序方式: 共有625条查询结果,搜索用时 31 毫秒
491.
During the opening moves of a chess game, a player (typically White) may offer a number of gambits, which involve sacrificing a chess piece for an opponent for capture to achieve long-term positional advantages. One of the most popular gambits is called the Queen's Gambit and involves White offering a pawn to Black, which will open a lane for White's Queen if accepted by Black. In the present study, the generalized matching law (GML) was applied to chess openings involving the Queen's Gambit using over 71,000 archived chess games. Overall, chess players' opening moves involving the Queen's Gambit exhibited orderly matching as predicted by the GML, and the GML accounted for more variance in players' chess decision making as their relative playing experience increased. This study provides support for the generality of the GML and its application to complex operant behavior outside of laboratory contexts. 相似文献
492.
以往关于为自己和代他人决策的冒险行为研究结果不一致, 这可能是因为以往的研究没有考虑决策情境和决策者人际特质等因素对于决策行为的影响。社会价值取向(social value orientation, SVO)是一种典型的人际特质, 是个体在对自我和他人资源分配时所表现出的社会偏好, 通常分为亲社会者和亲自我者。为探究SVO对自我-他人风险决策的影响及其机制, 采用为自己和陌生人分别完成多轮混合赌博游戏的任务。结果发现亲自我比亲社会者代他人决策更冒险。用模型量化的损失厌恶和对潜在损失的敏感度部分中介了自我-他人风险决策差异, 但只有对他人潜在损失的敏感度部分中介自我-他人决策的SVO效应。说明SVO会影响自我-他人风险决策, 且该效应可以通过对他人利益的关心程度起作用, 所以在自我-他人风险决策的研究中应将SVO这一决策者的人际特质因素考虑在内。 相似文献
493.
Jeff Kukucka Itiel E. Dror Melissa Yu Lisa Hall Ruth M. Morgan 《Applied cognitive psychology》2020,34(5):1143-1153
Forensic examiners routinely compare a crime-relevant mark of unknown origin against a single suspect's sample, which may create an expectation that the two will match. We tested how embedding the suspect's sample among known-innocent fillers (i.e., an evidence lineup) affects expert decision-making. Experienced fingerprint examiners (N = 43) compared crime-relevant marks against either individual suspect fingerprints (i.e., the standard procedure) or arrays of fingerprints (i.e., evidence lineups), with a matching fingerprint either present or absent. Evidence lineups promoted conservative decision-making, as evidenced by fewer correct IDs and a higher rate of inconclusive judgments. Though errors were rare, evidence lineups also occasionally revealed errors that would have otherwise gone undetected. Our findings thus support arguments that evidence lineups can expose fraud, identify flawed methodologies, and curb overconfidence. The potential benefits and challenges of implementing evidence lineups in forensic laboratories are discussed. 相似文献
494.
Daniel G. Derksen Megan E. Giroux Deborah A. Connolly Eryn J. Newman Daniel M. Bernstein 《Applied cognitive psychology》2020,34(6):1335-1344
Nonprobative but related photos can increase the perceived truth value of statements relative to when no photo is presented (truthiness). In two experiments, we tested whether truthiness generalizes to credibility judgments in a forensic context. Participants read short vignettes in which a witness viewed an offence. The vignettes were presented with or without a nonprobative, but related photo. In both experiments, participants gave higher witness credibility ratings to photo-present vignettes compared to photo-absent vignettes. In Experiment 2, half the vignettes included additional nonprobative information in the form of text. We replicated the photo presence effect in Experiment 2, but the nonprobative text did not significantly alter witness credibility. The results suggest that nonprobative photos can increase the perceived credibility of witnesses in legal contexts. 相似文献
495.
Hansori Jang Hongryun Woo Injung Lee 《Journal of counseling and development : JCD》2020,98(4):402-411
The purpose of this study was to explore the serial mediating effects of self-compassion and social support on the relationship between positive identity and career decision-making self-efficacy (CDMSE) among lesbian, gay, and bisexual (LGB) college students. A total of 222 LGB (109 bisexual, 113 lesbian/gay) students participated in the study. Results supported the mediating roles of self-compassion and social support. Specifically, self-compassion and social support sequentially mediated the relationship between positive identity and CDMSE, and the patterns of the sequence of the mediators were different between the bisexual and lesbian/gay groups. Implications for career counselors and future research are discussed. 相似文献
496.
不平等问题是全球社会和经济发展需要应对的首要挑战,也是实现全球可持续发展目标的核心障碍。人工智能(artificial intelligence, AI)为缓解不平等、促进社会公平提供了新的途径。然而,新近研究发现,即使客观上AI决策具有公平性和准确性,个体仍可能对AI决策的公平感知较低。因此,近年来越来越多的研究开始关注AI决策公平感知的影响因素。然而,目前研究较为分散,呈现出研究范式不统一、理论不清晰和机制未厘清等特征。这既不利于跨学科的研究对话,也不利于研究者和实践者对AI决策公平感知形成系统性理解。基于此,通过系统的梳理,现有研究可以划分为两类:(1) AI单一决策的公平感知研究,主要聚焦于AI特征和个体特征如何影响个体对AI决策的公平感知;(2) AI-人类二元决策的公平感知研究,主要聚焦于对比个体对AI决策与人类决策公平感知的差异。在上述梳理基础上,未来研究可以进一步探索AI决策公平感知的情绪影响机制等方向。 相似文献
497.
仿真气球冒险任务(TheBalloonAnalogRiskTask,BART)能在实验室环境下模拟真实世界的风险情境,具有高生态性,稳定性和可靠性等优点,已经成为风险决策研究中最常用的实验范式之一。近年来,研究者发展了多种BART变体范式,对发展、健康以及精神病理等多领域的风险决策行为及其神经基础开展了广泛探索。BART任务中的风险决策加工与腹侧纹状体、前扣带皮层、脑岛、中脑及背外侧前额叶等脑区的激活相关。未来研究需要进一步完善BART任务在风险决策认知神经领域的信效度并扩展BART的应用情境。 相似文献
498.
本项目突破了以往研究过于聚焦"助人行为"这一瞬时行为的局限,把工作场所中的助人决策理解为一种基于动态性心理契约的社会性风险投资决策过程,认为人力资源管理的相关实践能够在组织内部为员工之间的这种社会性风险投资决策,创建和维持适宜的投资环境,促使员工愿意、能够、敢于进行助人这种社会性风险投资决策。基于上述思路,项目首先构建工作场所中助人决策的过程机制模型,然后就该模型与以往模型存在的核心差异——反思调整——进行深入探索。随后,就影响助人决策投资环境的重要因素,从人力资源管理职能的角度,分别探讨工作设计和薪酬管理两个方面的重要变量对助人决策的影响机制。最后,基于本项目研究成果,提出能切实促进员工助人决策的、体系化的人力资源管理实践建议。 相似文献
499.
This research aimed to investigate the changes in judgment accuracy, confidence, control thresholds, and decision outcomes when people act in two-person groups (dyads) compared with acting individually. First, we used interacting dyads to determine the metacognitive and behavioral outcomes of collective decision making and compared them with those of individuals. Second, we examined whether these changes were related to the trait-confidence and bias of individuals working together. Using a within-person design, undergraduate psychology students (N = 116) completed a General-knowledge Test individually, then together as a dyad. Each question was accompanied by a confidence rating and a decision to bet $10 on the answer. Dyads had significantly higher confidence and lower control thresholds than individuals. They were also significantly more decisive (made more bets) and reckless (lost a higher rate of bets) than when working alone. Thus, we observed a higher rate of decision errors for groups than individuals. The results also demonstrated the important role of individual differences: Overconfident individuals became even more confident, decisive, and reckless when working together compared with less confident or underconfident individuals working together. These findings have important theoretical and applied implications for collective decision making; metacognitive bias and potentially control thresholds may be targeted to alleviate the larger error rates and guide the formation of more effective groups. 相似文献
500.
周国平 《医学与哲学(人文社会医学版)》2006,27(9):1-4
人文精神就是尊重人的价值,就是对生命价值的尊重,对头脑价值的尊重,对灵魂价值的尊重.生命是神圣的,对生命应有一种敬畏感.尊重自己的生命,同时尊重他人的生命;医生以生命为工作对象,医生应当是具有人格尊严、灵魂高尚的人道主义者;现代医学非人性化的主要表现是医学技术化和医学的市场化. 相似文献