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181.
In two experiments designed to assess the effect of varying amounts of exposure to noncontingency training, it was discovered that performance decrements could be produced after relatively brief training and again after extended training. Between these conditions was a period of recovery during which no performance deficits were evident. There was also a tendency for individual differences in motivation to moderate deficits following brief but not extended training. A four-stage model is proposed to account for these results. In response to uncontrollable outcomes, individuals are said to pass through a phase of no effect, followed by temporary helplessness, recovery, and final helplessness. The model also proposes that motivational differences and perceptions of noncontingency exert independent and opposing influences on learned helplessness deficits.  相似文献   
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A spate of suicides involving a just‐purchased firearm led a statewide coalition of firearm dealers, firearm rights advocates, and suicide prevention professionals to discuss the role of gun shops in preventing suicide. The group developed and mailed materials for (1) firearm retailers on avoiding sales to suicidal customers and (2) their customers on suicide and firearm safety. All storefront retailers were identified (n = 65), visited unannounced 6 months after receiving materials, and asked to complete a survey. Nearly half (48%) had at least one campaign product on display. Belief that reducing a suicidal person's access to firearms might save a life was associated with displaying materials (69% vs. 41%, p = .06). Public health and gun groups can successfully collaborate on suicide prevention activities.  相似文献   
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In studies with older adults, future time perspective (FTP) is most frequently assessed using the Carstensen and Lang FTP scale. However, it has been proposed that that this scale is actually composed of three interrelated subcomponents. Within a sample of 189 community-dwelling older adults (aged 60–85), we replicated a three-component structure. We also found that these subscales vary in their relationships to other measures of time perspective (i.e., future time attitudes and perceived life progress), and in their relationships to control beliefs about memory. These findings complement prior research documenting a link between FTP and control beliefs by showing that the magnitude of this association varies across FTP components. Understanding the interplay between FTP and memory control beliefs is also important as both predict important age-related outcomes and may be modifiable via intervention. The reciprocal relationship between these factors and the implications for successful aging are discussed.  相似文献   
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Background/objectives: Intrusions are a type of workplace interruption defined as unexpected interpersonal contact that disrupts workflow. Drawing from the Job Demands-Resources model of work stress, we examined how two personal resources – extraversion and emotional stability – influence relations among intrusions and strain outcomes.

Design/methodology: Self-reported, online questionnaire data were collected from two samples; 323 faculty and staff from a university (sample 1) and 574 full-time employees recruited from an online crowdsourcing forum (sample 2).

Results: In sample 1 extraversion was positively related to intrusions, whereas in sample 2, extraversion and emotional stability were negatively related to intrusions. There were no interactive effects of personality on relations among intrusions and strain outcomes in sample 1. In sample 2, low emotional stability strengthened relations among intrusions and work tension. Additionally, intrusions were negatively associated with stress for individuals high on emotional stability. Finally, introverts experienced less stress in response to intrusions.

Conclusion: Taking a person-situation interactionist approach, we examined personal resources that may mitigate interruption-related strain. Our findings suggest that for employees high in emotional stability, interruptions may be both less detrimental and, in some cases, beneficial. This study has practical implications for the structuring of work environments to mitigate strain and maximize person-environment fit.  相似文献   

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