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391.
Research shows that individuals in larger teams perform worse than individuals in smaller teams; however, very little field research examines why. The current study of 212 knowledge workers within 26 teams, ranging from 3 to 19 members in size, employs multi-level modeling to examine the underlying mechanisms. The current investigation expands upon Steiner’s (1972) model of individual performance in group contexts identifying one missing element of process loss, namely relational loss. Drawing from the literature on stress and coping, relational loss, a unique form of individual level process, loss occurs when an employee perceives that support is less available in the team as team size increases. In the current study, relational loss mediated the negative relationship between team size and individual performance even when controlling for extrinsic motivation and perceived coordination losses. This suggests that larger teams diminish perceptions of available support which would otherwise buffer stressful experiences and promote performance. 相似文献
392.
Jouriles EN McDonald R Mueller V Grych JH 《Clinical child and family psychology review》2012,15(1):58-68
This article describes a conceptual model of cognitive and emotional processes proposed to mediate the relation between youth
exposure to family violence and teen dating violence perpetration. Explicit beliefs about violence, internal knowledge structures,
and executive functioning are hypothesized as cognitive mediators, and their potential influences upon one another are described.
Theory and research on the role of emotions and emotional processes in the relation between youths’ exposure to family violence
and teen dating violence perpetration are also reviewed. We present an integrated model that highlights how emotions and emotional
processes work in tandem with hypothesized cognitive mediators to predict teen dating violence. 相似文献
393.
The content of prospective memory is comprised of representations of an action to perform in the future. When people form
prospective memories, they temporarily put the memory representation in an inactive state while engaging in other activities,
and then activate the representation in the future. Ultimately, successful activation of the memory representation yields
an action at an appropriate, but temporally distant, time. A hallmark of prospective memory is that activation of the memory
representation has a deleterious effect on current ongoing activity. Recent evidence suggests that scrub jays and non-human
primates, but not other species, are capable of future planning. We hypothesized that prospective memory produces a selective
deficit in performance at the time when rats access a memory representation but not when the memory representation is inactive.
Rats were trained in a temporal bisection task (90 min/day). Immediately after the bisection task, half of the rats received
an 8-g meal (meal group) and the other rats received no additional food (no-meal group). Sensitivity to time in the bisection
task was reduced as the 90-min interval elapsed for the meal group but not for the no-meal group. This time-based prospective-memory
effect was not based on response competition, an attentional limit, anticipatory contrast, or fatigue. Our results suggest
that rats form prospective memories, which produces a negative side effect on ongoing activity. 相似文献
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