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91.
A common practice in cognitive modeling is to develop new models specific to each particular task. We question this approach and draw on an existing theory, instance‐based learning theory (IBLT), to explain learning behavior in three different choice tasks. The same instance‐based learning model generalizes accurately to choices in a repeated binary choice task, in a probability learning task, and in a repeated binary choice task within a changing environment. We assert that, although the three tasks are different, the source of learning is equivalent and therefore, the cognitive process elicited should be captured by one single model. This evidence supports previous findings that instance‐based learning is a robust learning process that is triggered in a wide range of tasks from the simple repeated choice tasks to the most dynamic decision making tasks. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
92.
Jillian O'Rourke Stuart Paul D. Windschitl Jane E. Miller Andrew R. Smith Brian J. Zikmund-Fisher Laura D. Scherer 《决策行为杂志》2022,35(1):e2249
The phenomenon of ambiguity aversion suggests that people prefer options that offer precisely rather than imprecisely known chances of success. However, past work on people's responses to ambiguity in health treatment contexts found ambiguity seeking rather than aversion. The present work addressed whether such findings reflected a broad tendency for ambiguity seeking in health treatment contexts or whether specific attributions for ambiguity play a substantial role. In three studies, people choose between two treatment options that involved similar underlying probabilities, except that the probabilities for one option involved ambiguity. The attributions offered for the ambiguity played an important role in the results. For example, when the range of probabilities associated with an ambiguous treatment was attributed to the fact that different studies yield different results, participants tended to show ambiguity aversion or indifference. However, when the range was attributed to something that participants could control (e.g., regular application of a cream) or something about which they were overoptimistic (e.g., their immune system function), participants tended to show ambiguity seeking. Health professionals should be mindful of how people will interpret and use information about ambiguity when choosing among treatments. 相似文献
93.
Zoe Kinias Heejung S. Kim Andrew C. Hafenbrack Jina J. Lee 《Organizational behavior and human decision processes》2014
This article proposes and tests a theoretical model articulating when and why differences in devaluation and avoidance of individuals with non-normative characteristics emerge between East Asian and Western cultural contexts. Four main studies examined this theoretical model. In a pilot study, relative to Americans, Koreans devalued a target individual with a non-normative characteristic, and in Study 1 the target’s efforts to forestall disruption of group processes eliminated the devaluation in Korea, with perceived selfishness mediating this process. In Study 2, Koreans, relative to Americans, devalued and avoided coworkers with non-normative characteristics, particularly when the non-normative characteristic was controllable. Study 3 further showed that perceived selfishness mediates this effect with a behavioral dependent variable. Study 4 tested the generalizability to positively valenced characteristics and found that Koreans (relative to Americans) also devalue individuals with positive characteristics at non-normative levels. Implications for individuals with non-normative characteristics, organizational diversity, and cross-cultural interaction are discussed. 相似文献
94.
Decision makers intending to avoid risk in a decision situation can choose a less risky alternative (passive risk avoidance) or intervene actively in an alternative applying a risk‐defusing action (active risk avoidance). In Experiment 1 (64 participants), we compared active and passive risk defusing in two framing conditions. In the negative frame, in the uncertain alternative, a change to the worse was possible; in the positive frame, a change to an improvement was possible. Each participant decided in both framing conditions. As expected, active risk avoidance behavior for preventing a negative outcome (i.e., in the negative frame) was more likely than for promoting a positive one (i.e., in the positive frame). If decision makers did not or could not actively defuse the risk, they chose in correspondence to the classical pattern: risk avoidance in the positive frame and risk seeking in the negative one. We replicated the latter result in a second experiment (32 participants). The classical framing pattern in passive risk avoidance in both experiments is remarkable, because participants were not presented or did not search for exact probabilities. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
95.
Confidence in a perceptual decision is a judgment about the quality of the sensory evidence. The quality of the evidence depends not only on its strength (‘signal’) but critically on its reliability (‘noise’), but the separate contribution of these quantities to the formation of confidence judgments has not been investigated before in the context of perceptual decisions. We studied subjective confidence reports in a multi-element perceptual task where evidence strength and reliability could be manipulated independently. Our results reveal a confidence paradox: confidence is higher for stimuli of lower reliability that are associated with a lower accuracy. We show that the subjects’ overconfidence in trials with unreliable evidence is caused by a reduced sensitivity to stimulus variability. Our results bridge between the investigation of miss-attributions of confidence in behavioral economics and the domain of simple perceptual decisions amenable to neuroscience research. 相似文献
96.
Helen Pluut Marion Büttgen Jan Ullrich 《European Journal of Work and Organizational Psychology》2013,22(6):777-792
ABSTRACTThis cross-sectional field study examines the influence of employee and spousal characteristics on employees’ career-related motivations in dual ladder systems. We go beyond “constraints-based” explanations of spousal influence and focus on the degree to which the spouse has aspirations for the focal employee’s career – referred to as spousal career aspirations. Using a dyadic study design, we tested a model that specifies the influence of both partners’ career salience and materialism on an employee’s motivation for a particular career path: as manager or technical specialist. According to survey responses from a matched sample of 207 employees and their spouses, the spouse’s career salience and materialism (the latter only for women) were associated with higher levels of spousal career aspirations. In turn, those employees whose spouses aspired for them to have a career were less motivated to obtain a specialist position. Employees’ own career salience was positively associated with their motivation for a managerial position and, in combination with high levels of spousal career aspirations, pulled employees away from a career on the technical ladder. Our results shed light on the family-relatedness of career decisions and have notable implications for dual ladder organizations. 相似文献
97.
DIETER GERNERT 《World Futures: Journal of General Evolution》2013,69(8):547-565
In spite of incomplete knowledge we are permanently forced to act in complex real-life situations. First, a modern concept of information, the non-trivial transition from information to knowledge, patterns of missing knowledge, and the concept of perspective notions are studied. The main sections review some guidelines for action under incomplete information. A modern view of the concepts of holism and wholeness reveals that (in contrast to some critics) general system theory does not require any metaphysical assumption or previously accepted worldview. The concepts of holism and wholeness, as well as general system theory, are well-founded, even under strict criteria. 相似文献
98.
Raymond Holder Wheeler 《The Journal of general psychology》2013,140(1):91-107
The purpose of this investigation was to determine the effect of iris color on critical flicker frequency (CFF). CFF thresholds were obtained on 56 male subjects between the ages of 18 and 25 divided into three groups on the basis of iris color (blue, green, and brown). The results indicate that iris color is a statistically significant factor in the determination of CFF (p < .05), though it was emphasized that the effect may have been due to the correlation between iris color and other ocular pigmentation. The blue-eyed group received the highest mean CFF and the brown-eyed group the lowest mean CFF with the mean CFF threshold of the green-eyed group falling between these values. 相似文献
99.
100.