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151.
152.
Jinkook Tak 《Journal of Vocational Behavior》2011,(2):315-320
This study investigated the relationships between various person–environment fit types and employees' withdrawal attitudes and behaviors. I collected an initial survey data from 901 employees who had been with their organizations for 6 months at most and whose current organizations were their first employers. Of these respondents, only 297 responded to the second survey, 6 months after the first. The results showed person–job, person–supervisor, and person–organization fits correlated significantly with turnover intention on the first survey. Logistic regression analyses showed only person–organization fit correlated significantly with actual turnover at the time of Survey 2. I discuss implications and limitations of this study. 相似文献
153.
Cross-cultural research documented two types of temporal culture governing the way individuals schedule tasks over time: clock-time, where individuals let an external clock dictate when tasks begin/end; and event-time, where tasks are planned relative to other tasks and individuals transition between them when they internally sense that the former task is complete. In contrast with this prior literature - that credits culture as the reason for variation in temporal norms - we show in two experiments that individuals choose clock- vs. event-time as a self-regulation strategy to achieve a regulatory goal (efficiency vs. effectiveness). A third experiment shows that this strategy enhances confidence and performance on a task. Participants solved significantly more math problems when their task scheduling (clock- vs. event-time) matched their regulatory state (promotion vs. prevention). Since clock-/event-time may both lead to superior performance, clock-time is not the single best way to organize productive activities in industrial societies—a result that counters a foundational principle of modern economics. 相似文献
154.
Previous studies have found that differences in brain volume among older adults predict performance in laboratory tasks of executive control, memory, and motor learning. In the present study we asked whether regional differences in brain volume as assessed by the application of a voxel-based morphometry technique on high resolution MRI would also be useful in predicting the acquisition of skill in complex tasks, such as strategy-based video games. Twenty older adults were trained for over 20 h to play Rise of Nations, a complex real-time strategy game. These adults showed substantial improvements over the training period in game performance. MRI scans obtained prior to training revealed that the volume of a number of brain regions, which have been previously associated with subsets of the trained skills, predicted a substantial amount of variance in learning on the complex game. Thus, regional differences in brain volume can predict learning in complex tasks that entail the use of a variety of perceptual, cognitive and motor processes. 相似文献
155.
Tomoki Sekiguchi Vandra L. Huber 《Organizational behavior and human decision processes》2011,116(2):203-216
Two policy-capturing studies were conducted to investigate how person–organization (PO) fit and person–job (PJ) fit information are weighted and combined when hiring decision makers evaluate job candidates, and how the process is influenced by the position’s characteristics. Regarding the combining process, we detected a nonlinear, conjunctive rule in which a low level of PJ fit was paid more attention, the levels of PO fit and PJ fit interacted, and candidates with moderate levels of PO fit and PJ fit were preferred over those with high and low levels. Regarding the weighting process, we found that PO fit was weighted more heavily for a permanent position, and PJ fit for a fixed-term and/or a knowledge-intensive position. In addition, the position’s contract duration (permanent vs. fixed-term) and task elements (managerial vs. knowledge-intensive) interacted in influencing the weighting of PO fit and PJ fit. 相似文献
156.
语义距离半球效应的ERP研究 总被引:1,自引:0,他引:1
以通过视觉通路呈现的汉语双字词为实验材料,操纵启动词与目标词的语义距离。在词汇决定实验中记录ERP,发现:(1)除N300外,P240亦对语义距离敏感,它可能是一种与语义加工有关的新的ERP成分;(2)P240在头皮中央偏左的部位较早出现,但在头皮右侧波幅较大;(3)N300和P240都不存在语义距离的半球效应,该结果没有证实右脑更专擅远距离语义加工的假设,表明使用汉语与使用拼音文字的脑机制存在差异。 相似文献
157.
Chronic violent video game exposure and desensitization to violence: Behavioral and event-related brain potential data 总被引:1,自引:0,他引:1
Bruce D. Bartholow Brad J. Bushman Marc A. Sestir 《Journal of experimental social psychology》2006,42(4):532-539
Numerous studies have shown that exposure to media violence increases aggression, though the mechanisms of this effect have remained elusive. One theory posits that repeated exposure to media violence desensitizes viewers to real world violence, increasing aggression by blunting aversive reactions to violence and removing normal inhibitions against aggression. Theoretically, violence desensitization should be reflected in the amplitude of the P300 component of the event-related brain potential (ERP), which has been associated with activation of the aversive motivational system. In the current study, violent images elicited reduced P300 amplitudes among violent, as compared to nonviolent video game players. Additionally, this reduced brain response predicted increased aggressive behavior in a later task. Moreover, these effects held after controlling for individual differences in trait aggressiveness. These data are the first to link media violence exposure and aggressive behavior to brain processes hypothetically associated with desensitization. 相似文献
158.
Candice C. Morey 《British journal of psychology (London, England : 1953)》2019,110(2):306-327
Consistent, robust boosts to visual working memory capacity are observed when colour–location arrays contain duplicate colours. The prevailing explanation suggests that duplicated colours are encoded as one perceptual group. If so, then we should observe not only higher working memory capacity overall for displays containing duplicates, but specifically an improved ability to remember unique colours from displays including duplicates compared with displays comprising all uniquely coloured items. Furthermore, less effort should be required to retain displays as colour redundancy increases. I recorded gaze position and pupil sizes during a visual change detection task including displays of 4–6 items with either all unique colours, two items with a common colour, or three items with a common colour in samples of young and healthy elderly adults. Increased redundancy was indeed associated with higher estimated working memory capacity, both for tests of duplicates and uniquely coloured items. Redundancy was also associated with decreased pupil size during retention, especially in young adults. While elderly adults also benefited from colour redundancy, spillover to unique items was less obvious with low redundancy than in young adults. This experiment confirms previous findings and presents complementary novel evidence linking perceptual grouping via colour redundancy with decreased mental effort. 相似文献
159.
Transcranial Direct Current Stimulation (tDCS) is a neuromodulatory technique that has been used as an ergogenic aid in exercise/sports performance. However, little is known about its effects on highly-trained subjects, as athletes. The present study aimed to verify the effects of bi-hemispheric anodal tDCS (a-tDCS) on the performance of taekwondo athletes. Additionally, we investigated the persistence of the effects of the a-tDCS one hour after it. Nineteen Taekwondo athletes received active or sham bi-hemispheric a-tDCS over the primary motor cortex (M1). a-tDCS was delivered at 1.5 mA for 15 min. Athletes performed Countermovement Jumps (CMJ) and the Frequency Speed of Kick Test (FSKT) immediately (Mo1) and one hour after stimulation (Mo2). The athletes also reported their session-rating of perceived exertion (session-RPE). The total number of kicks (TK) was higher in sham than in the active a-tDCS condition (p < 0.01). In addition, TK was higher at Mo2 than at Mo1 (p < 0.05). Similarly, the session-RPE was higher in the a-tDCS condition (p < 0.05) and was greater one-hour post-stimulation (p < 0.01). No differences were found for CMJ performance (p > 0.05). Thus, bi-hemispheric a-tDCS worsens performance of taekwondo athletes, and the effect remains present even 1 h after the stimulation. 相似文献
160.
Dante R. Chialvo 《New Ideas in Psychology》2008,26(2):158-173
In these notes we review emergent phenomena in complex systems, emphasizing ways to identify potential underlying universal mechanisms that generate complexity. The discussion focuses on the emergence of collective behavior in dynamical systems when they are poised near a critical point of a phase transition, either by tuning or by self-organization. We then present the rationale for our proposal that the brain is naturally poised near criticality and review recent results as well as the implications of this view of the functioning brain. 相似文献