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861.
According to the interpersonal theory of suicide (Joiner, 2005), repeated exposure to painful or provocative experiences is associated with lethal or nearly lethal suicide attempts. However, suicide research often focuses on suicide ideation or attempts, rather than intent. Using data from the Collaborative Psychiatric Epidemiological Surveys, we examined traumatic experiences, with a focus on repeated exposure to traumas, in individuals who described their suicide attempts as a strong intent to die versus a cry for help. Only repeated acts of committing violence were associated with high suicide intent, suggesting that individuals who engage in violence are at heightened risk for suicide.  相似文献   
862.
Despite the wide use of groups in organizations, research on individuals’ experiences of fit in their work groups has lagged due to lack of conceptual clarity of person–group (PG) fit and inconsistent measurement. To rectify these issues, we present an integrative definition of PG fit, which incorporates social- and task-related elements of group work, as well as supplementary and complementary conceptualizations of fit. Using this definition, we develop the Multidimensional Perceived Person-Group Fit (MPPGF) scale and validate it through five phases, across six samples. In Phase 1, we identified dimensions and generated items using a mix of deductive and inductive approaches. In Phase 2, we validated items yielding seven dimensions (value congruence, shared interests, perceived demographic similarity, needs-supplies match, goal similarity, common workstyle, and complementary attributes). In Phase 3, we examined how the dimensions combine to form an aggregate (formative) PG fit construct. The MPPGF scale showed convergent and discriminant validity with relevant constructs in Phase 4. In Phase 5, the MPPGF exhibited criterion-related and incremental validity with attitudes and performance beyond existing PG fit scales. Finally, we report dimension-specific results, demonstrating that MPPGF could be used to study questions regarding overall PG fit perceptions, as well as more narrow dimension-specific questions.  相似文献   
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ABSTRACT

The abstract concept of time is conceptualized as moving linearly across space, known as the mental timeline (MTL). The direction of our MTL is consistent with reading direction. English speakers, who read left to right, think of past on the left and future on the right; the reverse is true of Hebrew speakers, who read right to left. However, it is unknown whether familiarity with reading direction facilitates the development of the MTL or whether it develops prior to becoming familiar with a language’s direction. This study examined the relationship between the development of the MTL and emergent literacy skills in English-speaking preschoolers and kindergartners. Results reveal a preference for spatially displaying time as moving horizontally from left to right in preschoolers, which is strengthened in kindergartners and predicted by emergent literacy skills. Results indicate that emergent literacy skills are related to the early development of the MTL, providing insight into the origins of the mental timeline.  相似文献   
865.
Self‐control was studied in an iterated one‐player Prisoner's Dilemma game in which students' choices affected the payoff matrix on the next trial. The frequency of self‐control responses (choice of the smaller payoff now, but with the more generous payoff matrix more likely on the next trial) and defection responses (choice of the larger payoff now, but with the less generous payoff matrix more likely on the next trial) were measured. In Experiment 1, players achieved a criterion of five consecutive self‐control responses more quickly as a positive function of trial spacing, the presence between trials of a discriminative stimulus associated with the upcoming payoff matrix, and the probability that the self‐control or defection response would be reciprocated by the computer. Experiment 2 replicated the effect of trial spacing except when there was an interfering task during the interval, suggesting that trial spacing permits better appreciation of the contingencies. Copyright © 2006 John Wiley & Sons, Ltd.  相似文献   
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