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311.
Jonathan Buriticá Cristiano V. dos Santos 《Journal of the experimental analysis of behavior》2017,108(2):151-170
The concept of reinforcement value summarizes the effect of different variables, such as reinforcement delay, reinforcement magnitude, and deprivation level, on behavior. In the present set of experiments, we evaluated the effect of reinforcement devaluation on performance under FI schedules. The literature on timing and reinforcement value suggests that devaluation generates longer expected times to reinforcement than the same intervals trained under control conditions. We devalued reinforcement with delay in Experiments 1A, 1B, and 2, and diminished deprivation in Experiments 3A and 3B. Devaluation reduced response rates, increased the number of one‐response intervals, and lengthened postreinforcement pauses, but had inconsistent effects on other timing measures such as quarter life and breakpoint. The results of delayed reinforcement and diminished deprivation manipulations are well summarized as reinforcement devaluation effects. These results suggest that devaluation may reduce stimulus control. In addition, we argue that the process by which delayed reinforcement affects behavior might also explain some effects observed in other devaluation procedures through the concept of reinforcement value. 相似文献
312.
Black Mountain College is remembered as an artistic utopian alternative to institutional learning. Its faculty and students included some of the most important creative thinkers of the 20th century. Its foundation was built on the philosophy of “learning by doing.” But what made Black Mountain such a dynamic educational environment? Today, the financial burden of higher education places a lasting strain on students that inhibits creative growth. Does the educational structure of the college system impede our learning? Black Mountain was a legendary educational experiment, which offers a model for contemporary art education. 相似文献
313.
Recognition Decisions From Visual Working Memory Are Mediated by Continuous Latent Strengths
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Timothy J. Ricker Jonathan E. Thiele April R. Swagman Jeffrey N. Rouder 《Cognitive Science》2017,41(6):1510-1532
Making recognition decisions often requires us to reference the contents of working memory, the information available for ongoing cognitive processing. As such, understanding how recognition decisions are made when based on the contents of working memory is of critical importance. In this work we examine whether recognition decisions based on the contents of visual working memory follow a continuous decision process of graded information about the correct choice or a discrete decision process reflecting only knowing and guessing. We find a clear pattern in favor of a continuous latent strength model of visual working memory–based decision making, supporting the notion that visual recognition decision processes are impacted by the degree of matching between the contents of working memory and the choices given. Relation to relevant findings and the implications for human information processing more generally are discussed. 相似文献
314.
Jonathan Way 《Pacific Philosophical Quarterly》2017,98(2):251-270
Many philosophers have been attracted to the view that reasons are premises of good reasoning – that reasons to φ are premises of good reasoning towards φ‐ing. However, while this reasoning view is indeed attractive, it faces a problem accommodating outweighed reasons. In this article, I argue that the standard solution to this problem is unsuccessful and propose an alternative, which draws on the idea that good patterns of reasoning can be defeasible. I conclude by drawing out implications for the debate over pragmatic reasons for belief and other attitudes and for one influential form of reductionism about the normative. 相似文献
315.
Jonathan D. Jacobs 《Philosophical Papers》2017,46(3):373-387
D. M. Armstrong famously claims that deterministic laws of nature are contingent relations between universals and that his account can also be straightforwardly extended to irreducibly probabilistic laws of nature. For the most part, philosophers have neglected to scrutinize Armstrong’s account of probabilistic laws. This is surprising precisely because his own claims about probabilistic laws make it unclear just what he takes them to be. We offer three interpretations of what Armstrong-style probabilistic laws are, and argue that all three interpretations are incompatible either with some feature of Armstrong’s broader metaphysics or with essential features of his account of laws (or both). 相似文献
316.
The importance of performance validity tests (PVTs) is increasingly recognized in pediatric neuropsychology. To date, research has focused on investigating whether PVTs designed for adults function similarly in children. The downward extension of adult cutoffs is counter-intuitive considering the robust effect of age-related changes in basic cognitive skills in children and adolescents. The purpose of this study was to examine the signal detection properties of a forced-choice recognition trial (FCR-C) for the California Verbal Learning Test – Children’s Version. A total of 72 children aged 6–15 years (M = 11.1 , SD = 2.6) completed the FCR-C as part of a larger neuropsychological assessment battery. Cross-validation analyses revealed that the FCR-C had good signal detection performance against reference PVTs. The first level of failure (≤14/15) produced the best combination of overall sensitivity (.31) and specificity (.87). A more conservative FCR-C cutoff (≤13) resulted in a predictable trade-off between sensitivity (.15) and specificity (.94), but also a net loss in discriminant power. Lowering the cutoff to ≤12 resulted in a slight improvement in specificity (.97) but further deterioration in sensitivity (.14). These preliminary findings suggest that the FCR-C has the potential to become the newest addition to a growing arsenal of pediatric PVTs. 相似文献
317.
Androgyny in Liking and in Being Liked Are Antecedent to Well-Being in Pre-Adolescent Boys and Girls
The present study is a two-wave longitudinal study of the concurrent and prospective associations between patterns of same- and other-gender liking and well-being in a sample of 403 fifth and sixth-grade girls and boys from Montréal Québec, Canada that was used to examine Sandra Bem’s perspective that androgyny is related to well-being. In our study androgyny was operationally defined as (a) the combination of liking for same- and other-gender peers and (b) the combination of being liked by same- and other-gender peers. Well-being was indexed with a measure of the self-concept. Findings drawn from analyses conducted with structural equation modeling showed that androgynous liking was an antecedent and a consequence of well-being. Specifically (a) Time 1 (T1) well-being was a predictor of how much girls and boys liked same-gender and other-gender peers at Time 2 (T2) whereas T2 well-being was predicted by how much girls and boys liked same- and other-gender peers at T1 and (b) T2 well-being was predicted by how much girls and boys were liked by same-gender and other-gender peers. These findings are discussed according to the dynamics of experiences with peers from one’s own gender and the other-gender. 相似文献
318.
How Well Do We Know Our Inner Daredevil? Probing the Relationship Between Self‐Report and Behavioral Measures of Risk Taking
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To measure a person's risk‐taking tendency, research has relied interchangeably on self‐report scales (e.g., “Indicate your likelihood of engaging in the risky behavior”) and more direct measures, such as behavioral tasks (e.g., “Do you accept or reject the risky option?”). It is currently unclear, however, how the two approaches map upon each other. We examined the relationship between self‐report likelihood ratings for risky choice in a monetary gamble task and actual choice, and tested how the relationship is affected by task ambiguity (i.e., when part of the information about risks and benefits is missing) and age. Five hundred participants (aged 19–85 years) were presented with 27 gambles, either in an unambiguous or an ambiguous condition. In a likelihood rating task, participants rated for each gamble the likelihood that they would accept it. In a separate choice task, they were asked to either accept or reject each gamble. Analyses using a signal‐detection approach showed that people's likelihood ratings discriminated between accept and reject cases in their choices rather well. However, task ambiguity weakened the association between likelihood ratings and choice. Further, older adults' likelihood ratings anticipated their choices more poorly than younger adults'. We discuss implications of these findings for existing approaches to the study of risk‐taking propensity, which have often relied on self‐reported risk tendency for ambiguous activities. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
319.
Despite fast technological developments in virtual reality (VR), methodologies and guidelines for evaluating the design of virtual environments (VEs) are lacking. The theory of perceptual opportunities (POs) has previously been proposed as a basis of such a design methodology. This paper presents an empirical study investigating the effect of representation of POs on users' behavior in VEs. The effects of both direction and movement of attractor on choice of objects in a simple VE were studied. Results showed that vertical static attractors were chosen least frequently. Furthermore, there was an effect of direction for static attractors in favor of the take-off direction. Implications for VE design in the framework of POs are discussed. 相似文献
320.
Mood and Emotion in Major Depression 总被引:1,自引:0,他引:1
Jonathan Rottenberg 《Current directions in psychological science》2005,14(3):167-170