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1.
Twelve groups of five subjects each participated in a nonco-operative game in which each member of a group receives the same endowment and must then decide independently and anonymously how much of it to contribute to the group benefit. Regardless of the size of his or her contribution, each member receives the same reward if, and only if, the sum of contributions is equal to or larger than a prespecified provision threshold. The results show that the level of contribution depends on the provision threshold, and that it increases when contributions are not restricted to be all-or-none. We present, discuss, and competitively test two models for this class of social dilemmas, one postulating maximization of expected utility and the other yielding an equitable solution. 相似文献
2.
Female subordination in the Arab-Israeli community: The adolescent perspective of “social veil” 总被引:1,自引:0,他引:1
Our research studied the gender-specific perceptions of Arab-Israeli adolescents regarding issues that determine female subordination (e.g., inheritance rights, freedom of movement, and female chastity). The main finding shows that young females oppose the imposition of social constraints upon women significantly more than their male counterparts, while both sexes are in agreement regarding the issues they conceive more or less traditionally; both express the strong conservative attitudes regarding the Islamic code of protecting female honor and chastity. The findings imply that, while females do not oppose the preservation of the cultural code that underlies their subordinate position, they ascribe to it more lenient normative implications.This paper developed out of the masters thesis of Mr. Mohammed Masalha submitted to the Department of Sociology at the Hebrew University of Jerusalem under the supervision of the first author and Professor Reuven Kahane. Special thanks are due to Helene Hogri for her indispensable editorial assistance and to Zvi Richter for his statistical aid. We also thank the NCJW Institute for Innovation in Education for funding the technical aspects of this paper. 相似文献
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The MMPI-2 Restructured Clinical (RC; Tellegen et al., 2003) scales were developed to remove common factor variance that saturates the clinical scales and create a more distinct set of measures, yielding a new set of scales with improved convergent and discriminant validity. In this study, we examined the relation between RC scale scores and scores on the Multidimensional Personality Questionnaire (MPQ; Tellegen, in press), a measure of normal personality, using a sample of 811 college students. The results indicate strong convergence between the RC scales and expected MPQ higher order factors and primary scales. The RC scales also demonstrated expected improved convergent and discriminant validity over the clinical scales. 相似文献
5.
This article examined the impact of unscorable item responses on the psychometric validity and practical interpretability of scores on the Restructured Clinical (RC) Scales of the Minnesota Multiphasic Personality Inventory-2/Minnesota Multiphasic Personality Inventory-2-Restructured Form (MMPI-2/MMPI-2-RF). In analyses conducted with five archival samples, we found that relatively large proportions of unscorable responses (defined as 10% or more of the items scored on a scale) were relatively uncommon, occurring most often in forensic samples. Simulated unscorable responses were inserted in varying proportions (10% to 90%) in place of the responses of participants in two of the archival samples for which criterion data were available. Analyses were conducted to gauge the impact of unscorable responses on the criterion validity of scores on these scales and their interpretability. Impact on validity was evaluated by examining correlations with extra-test variables as a function of increasing levels of unscorable responding. Interpretability was evaluated by examining the proportion of participants who produced clinically elevated RC Scale scores as a function of unscorable responding. Results indicate that whereas scale score validity was relatively robust up to a level of 50% unscorable responses, interpretability was substantially compromised at only 10% unscorable responding. This suggests that prorated scores may be used to correct for the impact of unscorable responses on the interpretability of RC Scale scores at levels as high as 50% unscorable responses. Classification analyses supported this possibility. Further steps needed to explore the feasibility of using prorated scores are discussed. 相似文献
6.
Carolyn L. Williams Yossef S. Ben-Porath Craig Uchiyama Nathan C. Weed Robert P. Archer 《Journal of personality assessment》2013,95(1-2):73-85
The discriminant and concurrent validity of the five new scales for the Devereux Adolescent Behavior Rating Scale (DAB) was explored using a heterogeneous sample of psychiatric and substance abuse patients. Consistent with predictions, the substance abuse patients scored higher on the Acting Out Behaviors (AOB) and Heterosexual Interests (HI) scales, and psychiatric patients scored higher on the Psychotic Behaviors scale. Gender differences also were found, including boys being rated higher on Acting Out Behaviors, and girls higher on Heterosexual Interests. The new DAB scales demonstrated sufficient concurrent validity using a thorough record review and a parent rating scale (the Child Behavior Checklist [CBCL]). The Neurotic/Dependent Behaviors scale (NDB) showed a consistent relationship with substance abuse and several other measures of more externalizing behaviors, in addition to the predicted relationships with anxious, tense, and dependent behaviors. The Withdrawn/Timid Behaviors scale (WTB) proved to be a purer measure of internalizing behaviors in both sexes. 相似文献
7.
Paul A. Arbisi Martin Sellbom Yossef S. Ben-Porath 《Journal of personality assessment》2013,95(2):122-128
We identified empirical correlates of the MMPI–2 Restructured Clinical (RC) scales in 1,872 male and 498 female psychiatric inpatients drawn from 2 large tertiary care medical centers. We generated clinical criteria from a systematic review of the patients' intake and discharge medical records. We report zero order correlations between RC scales and clinical criteria and relative risk ratios for dichotomous variables. We found the RC scales to be correlated with conceptually relevant criteria such that for each scale, we identified significant increases in the risk for a variety of emotional, cognitive, and behavioral problems among individuals whose T score exceed 64. 相似文献
8.
Roger O. Gervais Dustin B. Wygant Martin Sellbom Yossef S. Ben-Porath 《Journal of personality assessment》2013,95(5):508-517
Existing measures of approval motivation attempt to assess this dimension of personality indirectly through evaluation of socially desirable response tendencies. The Martin-Larsen Approval Motivation (MLAM) Scale takes a more direct approach by focusing on individual differences in need for social approval. Since the original version of the MLAM scale is subject to acquiescence response bias, fully balanced and partially balanced scales were created to minimize this response style. Results indicated that the revised measures arc equivalent to the original version and that balancing affects the magnitude but not the pattern of correlates with other scales. Comparisons with the Marlowe-Crowne Social Desirability (MCSD) Scale revealed a divergent pattern of correlates with several measures of personality suggesting a basic difference between the MLAM and MCSD in their conceptualization of approval motivation. 相似文献
9.
A binary detection task, free from sensory components, is investigated. A deterministic model prescribing a fixed cutoff point is confirmed; a probabilistic model, which generalizes Lee’s micromatching model for externally distributed stimuli, is rejected. 相似文献
10.
Considered in this paper is a decision task which has been employed to study multistage betting behavior. When the task commences, a decision maker (DM) is provided with some capital x (x > 0) which he is required to allocate over m (m > 1) mutually exclusive and collectively exhaustive alternatives, each of which occurs with probability pi (pi > 0, i = 1,…, m; Σi=1mpi = 1). If the amount yi is allocated to alternative i (yi ≥ 0, Σi=1myi = x) and alternative i obtains, DM's capital for the next stage of the game becomes yiri, where ri (ri > 0) is the return per unit allocated to alternative i. The task consists of N stages.Defining risk in terms of the mean and variance of DM's bets, and assuming that the minimization of risk is DM's objective, decision policies satisfying this objective are derived in closed form and their testable properties are briefly discussed. 相似文献