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61.
Wu P Hoven CW Liu X Cohen P Fuller CJ Shaffer D 《Suicide & life-threatening behavior》2004,34(4):408-420
Using data from a community sample of youth ( N = 1,458; ages 9-17), this study assessed the association between adolescent substance use/abuse and suicidal behaviors. Suicide attempts were strongly associated with alcohol abuse and dependence, followed by frequent cigarette smoking. The associations remained significant even after controlling for depression. The associations between substance use/abuse and suicidal ideation were no longer significant after controlling for depression. These findings highlight the important role that substance use plays in adolescent suicidal behaviors. 相似文献
62.
Dating violence has been linked to past experiences of childhood emotional abuse; however, little research has explored how stress reactivity functions within interpersonal relationships to amplify or attenuate these associations. The present study investigated the moderating effects of cortisol stress reactivity on associations between retrospective self-reported childhood emotional abuse and later self-reported interpersonal violence in young adult dating relationships. The current sample consisted of 57 young adult heterosexual dating partners (46 females, 11 males) between the ages of 18 and 24. Salivary cortisol samples were collected before and after a stress task to measure stress reactivity. Moderation analyses were conducted through the PROCESS macro in SPSS version 22. The relation between childhood emotional abuse and dating violence varied depending on cortisol reactivity, such that the association between childhood emotional abuse and young adult dating violence was stronger for those who demonstrated low levels of cortisol reactivity. The association between childhood emotional abuse and dating violence was not significant for those who demonstrated high cortisol reactivity. Findings underscore the importance of studying physiological mechanisms that may confer risk in the relationship between child emotional abuse and later interpersonal consequences. 相似文献
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Formal definitions are given of the following intuitive concepts: (a) A model is quantitatively testable if its predictions are highly precise and narrow. (b) A model is identifiable if the values of its parameters can be ascertained from empirical observations. (c) A model is redundant if the values of some parameters can be deduced from others or if the values of some observables can be deduced from others. Various rules of thumb for nonredundant models are examined. The Counting Rule states that a model is quantitatively testable if and only if it has fewer parameters than observables. This rule can be safely applied only to identifiable models. If a model is unidentifiable, one must apply a generalization of the Counting Rule known as the Jacobian Rule. This rule states that a model is quantitatively testable if and only if the maximum rank (i.e., the number of linearly independent columns) of its Jacobian matrix (i.e., the matrix of partial derivatives of the function that maps parameter values to the predicted values of observables) is smaller than the number of observables. The Identifiability Rule states that a model is identifiable if and only if the maximum rank of its Jacobian matrix equals the number of parameters. The conclusions provided by these rules are only presumptive. To reach definitive conclusions, additional analyses must be performed. To illustrate the foregoing, the quantitative testability and identifiability of linear models and of discrete-state models are analyzed. Copyright 2000 Academic Press. 相似文献
64.
Lambert AJ Payne BK Jacoby LL Shaffer LM Chasteen AL Khan SR 《Journal of personality and social psychology》2003,84(2):277-295
This article challenges the highly intuitive assumption that prejudice should be less likely in public compared with private settings. It proposes that stereotypes may be conceptualized as a type of dominant response (C. L. Hull, 1943; R. B. Zajonc, 1965) whose expression may be enhanced in public settings, especially among individuals high in social anxiety. Support was found for this framework in an impression formation paradigm (Experiment 1) and in a speeded task designed to measure stereotypic errors in perceptual identification (Experiment 2). Use of the process dissociation procedure (B. K. Payne, L. L. Jacoby, & A. J. Lambert, in press) demonstrated that these effects were due to decreases in cognitive control rather than increases in stereotype accessibility. The findings highlight a heretofore unknown and ironic consequence of anticipated public settings: Warning people that others may be privy to their responses may actually increase prejudice among the very people who are most worried about doing the wrong thing in public. 相似文献
65.
This research tested contrasting predictions about activation and use of racial stereotypes in personnel decisions. Devine's (1989) theory' holds that stereotyped inferences should be apparent when decisions are time constrained and judges have little opportunity to suppress automatically activated stereotypes. Gilbert & Hixon's (1991) busy-ness model implies that stereotypes are unlikely to be activated and to influence the decisions of judges unless these decisions are not time-constrained. Participants were allowed 90 s or 180 s to evaluate Black and White candidates for football managerial positions requiring aggressiveness (linebacker coach) or cognitive prowess (general manager). Only when decisions were not time constrained did participants show stereotyped judgments by favoring Whites for the general manager's position and overranking Blacks for linebacker coach. This pattern was consistent with Gilbert & Hixon's busy-ness model and contrary to Devine's theory of automatically activated stereotypes. 相似文献
66.
Male and female undergraduates who differed in degree of self-monitoring interviewed same-sex strangers to test the hypothesis that interviewer self-monitoring propensities foster self-disclosure only in disclosure-conducive contexts (i.e., collaborative contexts for men and social-expressive contexts for women). Results indicated that high self-monitoring (but not low self-monitoring) interviewers of each gender were notably more successful at eliciting personal information in the contexts generally considered amenable to male and female self-disclosure than in disclosure-nonconducive contexts. Moreover, male high self-monitoring interviewers reliably elicited more information than their low self-monitoring counterparts only in the disclosure- conducive (for men) collaborative context. However, high self-monitoring female interviewers did not elicit more information than their dispositional counterparts in disclosure-conducive, social-expressive contexts, although they reliably induced less disclosure than low self-monitors in the disclosure-nonconducive (for women) collaborative context. 相似文献
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A study was conducted to determine the effects of vocal cues on judgements of dominance in an interpersonal influence context. Physical measures of human vocal cues and participant ratings of dominance were obtained from videotapes of actors delivering short influence messages. After controlling for linguistic and visual content of messages, results indicated that mean amplitude and amplitude standard deviation were positively associated with dominance judgments, whereas speech rate was negatively associated with dominance judgments. An unexpected interaction revealed that mean fundamental frequency (F0) was positively associated with dominance judgments for male speakers but not significantly associated with dominance judgments for female speakers. F0 standard deviation was not significantly associated with dominance judgments. Results support the conclusion that dominance judgments are inferred from multiple sources of information and that some vocal markers of dominance are more influential than others. 相似文献