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Risk-sensitive foraging theory and operant psychology.   总被引:1,自引:2,他引:1       下载免费PDF全文
Hastjarjo, Silberberg, and Hursh (1990) have presented data on the foraging behavior of rats and discussed it in terms of risk-sensitive foraging theory. Because risk-sensitive foraging theory is comprised of several different models, it does not lead to general predictions about when an organism should prefer a foraging option with high variance to a foraging option with low variance. Any comparison of data with the predictions of the theory must be based on an appropriate model. I draw attention to various experiments that are potentially relevant to the results reported by Hastjarjo et al. and show how the time period over which the organism must survive can influence a model's predictions about risk sensitivity.  相似文献   

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The efforts of Asian social psychology and the Asian Association of Social Psychology (AASP) over the past decade and longer have clearly drawn attention to Asian cultures and their potential influence on psychological processes, and have highlighted the need to incorporate Asian social psychology into a global understanding of social psychology. Despite these advancements, however, all four authors, in their own way, suggest that these efforts are only the tip of the iceberg, and describe how Asian social psychology can shift their contributions to a higher gear. In this brief commentary, I discuss three points raised in the papers by Atsumi, Hofstede, Leung, and Ward: identity, the gold standard of comparison, and the contribution of Asian social psychology to a global social psychology, all in relation to visions of the future.  相似文献   

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This paper critically examines the mathematical model, the ‘confluence model’, proposed by Zajonc, Markus and Markus (1979) as part of their analysis of birth order effects on intellectual differences. Five observations are made. The first concerns lack of precision in the indices contained in the model. The second deals with the coherence of the mathematical formulation. The third identifies presumably unanticipated and remarkable universal laws of mental development which can be derived from the model. The fourth identifies a further ‘universal law’ which arises from inappropriate use of terms to qualify parameters in the formulae. Finally, it is concluded that the ‘confluence model’ lacks the features required of a credible and useful mathematical model.  相似文献   

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As instructional applications of microcomputers mature, both recurrent and new themes emerge. These include (1) getting started in instructional microcomputing, (2) the identification and evaluation of software, (3) the diminishing appeal of computer-based demonstrations, (4) the increasing importance of student control in student-computer interactions, (5) the emergence of tool-based courseware, (6) the importance of thoughtful integration of computers into the course, and (7) the critical need to evaluate both course and courseware. Careful attention to these issues can improve the quality of students’ understanding of psychology and the science of behavior.  相似文献   

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Walter Ott 《Philosophia》2009,37(3):475-476
This is my reply to Miriam McCormick’s comments on my paper, ‘What Can Causal Claims Mean?’, delivered at the Meaning and Modern Empiricism conference.  相似文献   

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This article explores the emergence of Clyde Coombs' mathematical psychology and Ward Edwards' behavioral decision research at the University of Michigan in the 1950s and 1960s. It shows why and how the mathematical psychological focus on the mathematics of measurement neatly complemented the experimental work on rational human decision making of the behavioral decision researchers. Both understood measurement as the rational decision of a human being between two or more stimuli, or values, and viewed the experimental measurement of actual human decision behavior as a key objective of psychology. For both “measurement theory in psychology [was] behavior theory.” © 2010 Wiley Periodicals, Inc.  相似文献   

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变量间的网络分析模型近年来被广泛应用于心理学研究。不同于将潜变量作为观测变量的共同先导因素的潜变量模型, 网络分析模型将观测变量作为初级指标, 采用图论的方法建立观测变量之间的关系网络, 其中变量为网络的节点, 而变量间的关系是节点之间的连线。因此网络分析可以突显观测变量之间的联系以及观测变量相互影响而形成的系统。通过变量网络中基于各个节点特征的指标(如中心性)以及基于整体结构特征的指标(如小世界性), 网络分析为研究各种心理现象提供了新的可视化的描述方式和理解视角。近10年来, 网络分析的方法已在人格心理学、社会心理学和临床心理学等领域得到一定的应用。未来研究应继续发展和完善网络分析模型的理论和方法, 使之运用到更多的数据类型和更广的研究领域中。  相似文献   

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Cho KW  Tse CS  Neely JH 《Memory & cognition》2012,40(7):1132-1161
From citation rates for over 85,000 articles published between 1950 and 2004 in 56 psychology journals, we identified a total of 500 behavioral cognitive psychology articles that ranked in the top 0.6?% in each half-decade, in terms of their mean citations per year using the Web of Science. Thirty nine of these articles were produced by 78 authors who authored three or more of them, and more than half were published by only five journals. The mean number of cites per year and the total number of citations necessary for an article to achieve various percentile rankings are reported for each journal. The mean number of citations necessary for an article published within each half-decade to rank at any given percentile has steadily increased from 1950 to 2004. Of the articles that we surveyed, 11?% had zero total citations, and 35?% received fewer than four total citations. Citations for post-1994 articles ranking in the 50th-75th and 90th-95th percentiles have generally continued to grow across each of their 3-year postpublication bins. For pre-1995 articles ranking in the 50th-75th and 90th-95th percentiles, citations peaked in the 4- to 6- or 7- to 9-year postpublication bins and decreased linearly thereafter, until asymptoting. In contrast, for the top-500 articles, (a) for pre-1980 articles, citations grew and peaked 10-18-year postpublication bins, and after a slight decrease began to linearly increase again; (b) for post-1979 articles, citations have continually increased across years in a nearly linear fashion. We also report changes in topics covered by the top-cited articles over the decades.  相似文献   

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Behavioral biology and operant psychology have developed in parallel but separate paths since their origins in the 1930s. In the first three decades, both fields dealt with microscopic (or molecular) controlling variables and qualitative data. Since about 1960, both have primarily focused on macroscopic (or molar) controlling variables. Their shared interest in foraging in the 1980s suggests a limited convergence beween biologists and psychologists in data, methods, and theories. We draw on accounts of intertheoretic relations from the philosophy of science, including both interlevel theory and interfield theory, to understand this convergence. However, our greater emphasis on methods of data collection and analysis leads us to characterize the convergence as not only one of interfield theory but one of interfield science.  相似文献   

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This brief report provides an account of varying interpretations of elasticity (η ) in the operant demand framework. General references to “demand elasticity” have existed since the Exponential model of operant demand was proposed by Hursh and Silberberg (2008). This term has been used interchangeably with Essential Value (EV), PMAX, and the rate of change constant α . This report provides an in-depth account of η and the various ways in which this metric has been used to interpret fitted demand functions. A review of relevant mathematic terms, operations associated with differentiating parameters, and worked solutions for η are provided for linear and nonlinear demand functions. The relations between η and EV, PMAX, and α are described and explained in terms of their mathematical bases and recommendations are provided regarding their individual interpretation. This report concludes with recommendations for providing additional mathematical detail in published works and emphasizing a consistent use of terms when describing aspects of operant demand.  相似文献   

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The deterrent effect of capital punishment during the 1950s   总被引:1,自引:0,他引:1  
This investigation examines the deterrence hypothesis of an inverse relationship between state execution rates and homicides. Although this question has received some attention in recent studies, the findings of these investigations are mixed. Cross-sectional analyses of states have typically shown execution and homicide rates to be positively associated, while at least two national time-series studies report support for the deterrence hypothesis. To test whether these divergent findings are result of the two different methodologies employed (cross-sectional vs. time-series), a methodology that combines the strengths of each is used in the present study. For the period 1950 to 1960, we examine cross-sectionally for states the relationship between changes in execution rates and changes in murder rates. This analysis does not find support for the deterrence argument for the certainty of the death penalty when a number of models of the execution rate--murder rate relationship are considered, and when a variety of imprisonment and socio-demographic factors are considered as control variables.  相似文献   

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邢兆良 《学海》2003,(4):77-85
建国初期 ,思想改造运动中知识分子在思想、心理方面面临着两难选择。由于历史的积淀 ,知识分子群体的缺陷 ,现实的环境 ,知识分子群体的生存模式发生了根本性的变化。他们在思想、价值、话语、道德、心理诸方面形成了以政治为主导、为基础、为标准的选择模式。建国初期的知识分子思想改造运动对知识分子群体的定型有非常深远的影响  相似文献   

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