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121.
To explore definitions, frequencies, and motivation for personal use of work computers, we analyzed 329 employees' responses to an online survey, which asked participants to self-report frequencies for 41 computer behaviors at work. This sample (65% female, 74% European ethnicity, mean age of 36 years) was formed by soliciting participants through Internet Usenet groups, emails, and listservs. Results support a distinction between computer use that is counterproductive and that which is merely not productive. Nonproductive Computer Use occurred more when employees were younger (r = -0.31, p < 0.01), had Internet access at work longer (r = +0.16, p < 0.01), and had faster Internet connections at work than at home (r = +0.14, p < 0.01). Counterproductive Computer Use occurred more when Internet access was newer (r = -0.16, p < 0.01) and employees knew others who had been warned about misuse (r = +0.11, p < 0.05). While most employees who engaged in computer counterproductivity also engaged in computer nonproductivity, the inverse was uncommon, suggesting the need to distinguish between the two when establishing computer policies and Internet accessibility. 相似文献
122.
Ned Wellman Daniel W. Newton Danni Wang Wu Wei David A. Waldman Jeffery A. LePine 《Personnel Psychology》2019,72(3):337-359
We consider the utility of two contrasting theoretical perspectives in explaining how laissez-faire formal leaders and team member motivation to lead (MTL) influences informal leadership and team task performance. The first perspective, functional leadership theory, is the dominant lens used currently to understand informal leadership. However, we suggest that social learning theory offers a compelling alternative account. In a multiwave survey study of 344 members of 72 work teams, we find support for the social learning theory predictions that laissez-faire formal leaders are perceived by team members to engage in less modeling of effective leadership and as a result are negatively associated with informal leadership and team task performance. We do not find support for the functional leadership theory predictions that laissez-faire formal leaders are positively associated with team members’ informal leadership and team task performance, which would be due to an increased perceived need for leadership. The social learning effects are stronger for teams that are lower in member MTL and weaker for teams that are higher in member MTL. These results suggest social learning theory may be preferable to functional leadership theory for understanding informal leadership in teams. 相似文献
123.
Young infants prefer to look at faces that adults find attractive, suggesting a biological basis for some face preferences. However, the basis for infant preferences is not known. Adults find average and symmetric faces attractive. We examined whether 5-8-month-old infants discriminate between different levels of averageness and symmetry in faces, and whether they prefer to look at faces with higher levels of these traits. Each infant saw 24 pairs of female faces. Each pair consisted of two versions of the same face differing either in averageness (12 pairs) or symmetry (12 pairs). Data from the mothers confirmed that adults preferred the more average and more symmetric versions in each pair. The infants were sensitive to differences in both averageness and symmetry, but showed no looking preference for the more average or more symmetric versions. On the contrary, longest looks were significantly longer for the less average versions, and both longest looks and first looks were marginally longer for the less symmetric versions. Mean looking times were also longer for the less average and less symmetric versions, but those differences were not significant. We suggest that the infant looking behaviour may reflect a novelty preference rather than an aesthetic preference. 相似文献
124.
Jeffery KJ 《Trends in cognitive sciences》2004,8(5):197-199
Much behavioural and physiological evidence suggests that the hippocampus encodes space. Puzzlingly, however, hippocampal damage also disrupts episodic memory. A recent study shows how these two faculties might be related, finding that the spatial firing of hippocampal 'place cells' is sometimes modulated by what the animal has recently done or what it will do next. Thus, the cells encode something resembling a context, or episode, collectively forming a potential substrate for episodic memory. 相似文献
125.
In the present study, the specificity of repetition priming between semantic classification tasks was examined using Osgood's (Osgood, Suci, & Tannenbaum, 1957) semantic space as a heuristic for determining the similarity between classifications. The classification tasks involved judging the meaning of words on semantic scales, such as pleasant/unpleasant. The amount of priming across classifications was hypothesized to decrease with increasing distance (decreasing similarity) between semantic scales in connotative semantic space. The results showed maximum repetition priming when the study and the test classifications were the same, intermediate degrees of priming when the study and the test classification scales shared loadings on semantic factors, and little priming when the study and the test classification scales loaded primarily on orthogonal semantic factors--that is, when the distance between scales was maximized. Consistent with the transfer-appropriate processing framework, repetition priming in semantic classifications was highly task specific, decreasing with increasing distance between classification scales. 相似文献
126.
Kaiwen Man Jeffery R. Harring Yunbo Ouyang Sarah L. Thomas 《International Journal of Testing》2018,18(2):155-177
Many important high-stakes decisions—college admission, academic performance evaluation, and even job promotion—depend on accurate and reliable scores from valid large-scale assessments. However, examinees sometimes cheat by copying answers from other test-takers or practicing with test items ahead of time, which can undermine the effectiveness of such assessments in yielding accurate, precise information of examinees' performances. This study focuses on the utility of a new nonparametric person-fit index using examinees' response times to detect two types of cheating behaviors. The feasibility of this method was investigated vis-à-vis a Monte Carlo simulation as well as through analyzing data from a large-scale assessment. Findings indicate that the proposed index was quite successful in detecting pre-knowledge cheating and extreme one-item cheating. 相似文献
127.
Purpose
We examine the bi-directional nature of role segmentation preferences—preferences to protect the home domain from work intrusions, and to protect the work domain from home intrusions—and hypothesize that the dimensions independently prompt individuals to manage their boundaries in ways that complement their preferences.Design and Methodological Approach
In a series of three studies, we investigate whether segmentation preferences vary on two dimensions, how they reflect enactive and proactive boundary management, and their association with domain-specific satisfaction and performance.Findings
In Study 1 (field design, n = 314), we confirmed that segmentation preferences comprise two distinct dimensions, and individuals experience fewer intrusions into the domain they desired to protect. In Study 2 (experimental design, n = 1253), we found that participants who prefer to protect their home domain are less inclined to accept jobs in scenarios where their significant other is employed in the same organization, and participants who prefer to protect their work domain are less inclined to initiate a romantic relationship in scenarios that involve a coworker. In Study 3 (field design, n = 65), we found that individuals who prefer to protect their work or home domain report greater satisfaction with the preferred domain, and whereas the preference to protect the work domain is not associated with higher supervisor ratings of job performance, preference to protect the home domain is associated with higher significant-other ratings of non-work performance.Implications
Understanding employees’ proclivities to blur boundaries can inform recruitment and selection of employees to anticipate organizational fit, diagnose sources of misfit, structure individualized policies to ameliorate employee strain, and decrease turnover costs.Originality/Value
This synthesis provides a unique investigation of segmentation preference dimensions’ differential functioning and reinforces the validity of the role segmentation preferences concept.128.
Sarah E. Baran Charles E. Armstrong Danielle C. Niren Jeffery J. Hanna Cheryl D. Conrad 《Neurobiology of learning and memory》2009,91(3):323-332
Chronic stress effects and sex differences were examined on conditioned fear extinction. Male and female Sprague–Dawley rats were chronically stressed by restraint (6 h/d/21 d), conditioned to tone and footshock, followed by extinction after 1 h and 24 h delays. Chronic stress impaired the recall of fear extinction in males, as evidenced by high freezing to tone after the 24 h delay despite exposure to the previous 1 h delay extinction trials, and this effect was not due to ceiling effects from overtraining during conditioning. In contrast, chronic stress attenuated the recall of fear conditioning acquisition in females, regardless of exposure to the 1 h extinction exposure. Since freezing to tone was reinstated following unsignalled footshocks, the deficit in the stressed rats reflected impaired recall rather than impaired consolidation. Sex differences in fear conditioning and extinction were observed in nonstressed controls as well, with control females resisting extinction to tone. Analysis of contextual freezing showed that all groups (control, stress, male, female) increased freezing immediately after the first tone extinction trial, demonstrating contextual discrimination. These findings show that chronic stress and sex interact to influence fear conditioning, with chronic stress impairing the recall of delayed fear extinction in males to implicate the medial prefrontal cortex, disrupting the recall of the fear conditioning acquisition in females to implicate the amygdala, and nonstressed controls exhibiting sex differences in fear conditioning and extinction, which may involve the amygdala and/or corticosterone levels. 相似文献
129.
Aldert Vrij Sharon Leal Haneen Deeb Stephanie Chan Majeed Khader Whistine Chai Jeffery Chin 《Applied cognitive psychology》2020,34(1):241-255
Due to time constraints, interviews aimed to detect deception in airport settings should be brief and veracity assessments should be made in real time. In two experiments carried out in the departure hall of an international airport, truth tellers were asked to report truthfully their forthcoming trip, whereas liars were asked to lie about the purpose of their trip. In Experiment 1, we examined five verbal cues that we thought had potential to discriminate truth tellers from liars in short airport interviews: elaboration in disclosing information, checkable details, how many people are aware of the trip, complications, and plausibility. In Experiment 2, we attempted to improve the interview protocol by adding a second interview phase in which we introduced an information protocol and model statement. All five cues differentiated truth tellers from liars in both experiments, but the information protocol and model statement did not enhance these differences. 相似文献
130.
Life events are associated with an increased likelihood of adolescent smoking. This study examined a family member's job loss as a predictor of smoking initiation over a 1-year period. Southern California students completed surveys in 6th and 7th grade. Of the 2,168 students, 252 (12%) reported that an adult in the household had lost a job within the past 6 months. Controlling for demographic, socioeconomic. educational, and parenting characteristics. 6th-grade never-smokers who reported a job loss were significantly more likely to have tried smoking by 7th grade and to have smoked in the past 30 days. Job loss for a household member is a risk factor for adolescents' involvement in problem behaviors such as smoking. 相似文献