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71.
Linden J. Ball Jonathan St.B.T. Evans Ian Dennis Thomas C. Ormerod 《Thinking & reasoning》2013,19(4):247-270
A study is reported which focused on the problem-solving strategies employed by expert electronics engineers pursuing a real-world task: integrated-circuit design. Verbal protocol data were analysed so as to reveal aspects of the organisation and sequencing of ongoing design activity. These analyses indicated that the designers were implementing a highly systematic solution-development strategy which deviated only a small degree from a normatively optimal top-down and breadth-first method. Although some of the observed deviation could be described as opportunistic in nature, much of it reflected the rapid depth-first exploration of tentative solution ideas. We argue that switches from a predominantly breadth-first mode of problem solving to depth-first or opportunistic modes may be an important aspect of the expert's strategic knowledge about how to conduct the design process effectively when faced with difficulties, uncertainties, and design impasses. 相似文献
72.
Stephen E. Newstead Peter Bradon Simon J. Handley Ian Dennis Jonathan St. B. T. Evans 《Thinking & reasoning》2013,19(1):62-90
The aim of the present research was to develop a difficulty model for logical reasoning problems involving complex ordered arrays used in the Graduate Record Examination. The approach used involved breaking down the problems into their basic cognitive elements such as the complexity of the rules used, the number of mental models required to represent the problem, and question type. Weightings for these different elements were derived from two experimental studies and from the reasoning literature. Based on these weights, difficulty models were developed which were then tested against new data. The models had excellent predictive validity and showed the relative influence of rule based factors and factors relating to the number of underlying models. Different difficulty models were needed for different question types, suggesting that people used a variety of approaches and, at a wider level, that both mental models and mental rules may be used in reasoning. 相似文献
73.
Lars Johan Hauge Anders Skogstad Ståle Einarsen 《European Journal of Work and Organizational Psychology》2013,22(5):610-630
Stressful working environments are commonly assumed to create conditions that can lead to bullying. Although environmental factors may relate to both exposure to and perpetration of workplace bullying, empirical knowledge is still limited regarding how environmental factors and bullying is causally linked. In line with interpretations of previous cross-sectional findings, the present study investigated an individual-level target-oriented model of role stressors as antecedents of exposure to workplace bullying, applying a two-wave longitudinal sample of the Norwegian working population. Results from structural regression analyses failed to identify any significant relationships between the role stressors and subsequent exposure to workplace bullying. However, prior exposure to workplace bullying accounted for subsequent variation in role ambiguity, role conflict, and role overload alike. The findings of the present study question conclusions regarding causality made in previous cross-sectional research on work-related factors as antecedents of exposure to workplace bullying. We argue that future research may benefit from adopting multilevel and actor-oriented perspectives in order to more fully understand how causal relationships between environmental factors and workplace bullying unfold. 相似文献
74.
Brita Bjørkelo Ståle Einarsen Morten Birkeland Nielsen Stig Berge Matthiesen 《European Journal of Work and Organizational Psychology》2013,22(2):206-238
This study investigates the characteristics of whistleblowers, the prevalence and nature of whistleblowing, and the occurrence of retaliation after whistleblowing using a randomly selected and representative sample of Norwegian employees. The results showed that 12 per cent self-reported as whistleblowers according to an operational definition. Being a leader, or a union or personnel safety representative was significantly related to whistleblowing. The most frequently reported wrongdoing was harassment conducted by a single colleague. Wrongdoer(s) received mixed responses, from no reaction to reprimand. Even though most whistleblowers were not sanctioned, they reported less job satisfaction and more workplace bullying than did nonwhistleblowers. Only a few were rewarded. For the most part, wrongdoing was stopped or reduced. However, whistleblowing was only partially effective, because whistleblowers reported lack of feedback about the result of their report. Results also showed that the status of the wrongdoer was related to the reaction he or she received afterwards, as were the type of wrongdoing and the effect on the wrongdoing, and the type of wrongdoing and the effect on the wrongdoer(s). Potential explanations for the results, such as the type of sample and power distance, are discussed. Practical implications of the study are also addressed, such as the importance of providing feedback to whistleblowers. 相似文献
75.
Willy Eriksen Ståle Einarsen 《European Journal of Work and Organizational Psychology》2013,22(4):473-492
The aim of this study was to test the hypothesis that male assistant nurses, representing a small gender minority in their profession and in the work organizations they inhabit, are more often exposed to bullying at work than their female colleagues. In 1999, a random sample of the assistant nurses organized in the Norwegian Union of Health and Social Workers were mailed a questionnaire; 7478 out of 12,000 (62.3%) completed the questionnaire. The sample of the present study comprised the 6485 respondents who were vocationally active and not on leave. 3.8% (n?=?247) of the respondents were men; 10.2% (n?=?25) of the men and 4.3% (n?=?265) of the women reported that they had been exposed to bullying at work during the previous 6 months, χ2?=?19.12, df?=?1, p?<?.0001. The association between gender and exposure to bullying at work remained strong and significant (odds ratio?=?2.29; 95% confidence interval?=?1.39?-?3.78; p?=?.001) even after adjustment for a series of background factors. The study supports the hypothesis that male assistant nurses are more often exposed to bullying at work than their female colleagues. 相似文献
76.
Claude Fernet Stéphanie Austin Sarah-Geneviève Trépanier Marc Dussault 《European Journal of Work and Organizational Psychology》2013,22(2):123-137
This study aimed to better understand the psychological mechanisms, referred to in the job demands–resources model as the energetic and motivational processes, that can explain relationships between job demands (role overload and ambiguity), job resources (job control and social support), and burnout (emotional exhaustion, depersonalization, and personal accomplishment). Drawing on self-determination theory, we examined whether psychological resources (perceived autonomy, competence, and relatedness) act as specific mediators between particular job demands and burnout as well as between job resources and burnout. Participants were 356 school board employees. Results of the structural equation analyses provide support for our hypothesized model, which proposes that certain job demands and resources are involved in both the energetic and motivational processes—given their relationships with psychological resources—and that they distinctively predict burnout components. Implications for burnout research and management practices are discussed. 相似文献
77.
Guy Notelaers Ståle Einarsen 《European Journal of Work and Organizational Psychology》2013,22(6):670-682
Workplace bullying is a serious hazard in every day working life that needs to be assessed carefully. In order to achieve such a goal, both victims of severe bullying as well as targets of less intensive bullying need to be identified, the latter in order to prevent further escalation into severe bullying. Previous research has mainly offered simple and crude measures of who is and who is not a victim of bullying. In this article we show how cutoff scores for the scale Negative Acts Questionnaire–Revised (NAQ-R) can be calculated. Based on a representative sample of the Norwegian workforce, we formulated 2 cutoff points or thresholds for the NAQ-R with a Receiver Operation Characteristic curve. Employees with a score lower than 33 are not bullied, employees with a score between 33 and 45 may be considered as being bullied occasionally, and employees who score above 45 can be considered to be victims of workplace bullying. As the NAQ-R is used in more than 300 research projects worldwide, we hope to inspire other scholars to define similar cutoff points. In addition, we hope that clear cutoff scores may be of assistance to practitioners for designing interventions regarding workplace bullying in line with the identified problems. 相似文献
78.
Three experiments are reported, examining the effects of a typographical error in parafoveal vision on aspects of foveal inspection time and saccade targeting. All the experiments involved reading for comprehension. A contingent presentation procedure ensured that typographical errors were restored to their correct form before they were viewed in foveal vision: They were never available for foveal processing. In Experiment 1, the error was formed by replacing the first letter of the target word with a second occurrence of its second letter, producing an illegal nonword. This manipulation had no significant effect on foveal inspection time, but lowered the probability that a short word (“de” or “du”) prior to the target would be skipped. In Experiment 2 the familiarity of the target's initial letters was maintained constant across conditions. This manipulation removed the target 1 skipping effect, suggesting that the outcome of Experiment 1 was due to orthographic rather than lexical illegality, but revealed shorter foveal inspection times as a function of the presence of the error. Experiment 3 manipulated lexical and sublexical properties of the parafoveal typing error. Properties of the parafoveal error again influenced prior foveal inspection times. The pattern of results suggested that the determining properties were sublexical rather than lexical. The results as a whole are incompatible with a view of information processing in reading in which foveal processing remains immune from concurrent parafoveal influences. 相似文献
79.
80.
Maja Storch Jens Gaab Yvonne Küttel Ann-Christin Stüssi Helmut Fend 《Health psychology》2007,26(4):456-463
OBJECTIVE: The stress-induced release of cortisol has been linked to detrimental health outcomes. Therefore, strategies to attenuate cortisol stress responses are of interest for prevention and treatment of stress-related symptoms and problems. Previous studies have found protective effects of cognitive-behavioral stress management training--which focuses on the modification of stress-inducing cognitions--on cortisol stress responses; however, the effects of resource-oriented interventions on cortisol stress responses are unknown. DESIGN: The longitudinal effects of resource-oriented stress management training (Zurich resource model training) on cortisol stress responses and cognitive appraisal of a standardized psychosocial stress test were evaluated in 54 healthy male participants assigned randomly to treatment and control groups. The Trier Social Stress Test (TSST; C. Kirschbaum, Wust, & Strasburger, 1992) was administered to all participants 3 months after the treatment group underwent stress management training. MAIN OUTCOME MEASURES: Saliva cortisol samples were taken before, during, and after the TSST, and cognitive stress appraisal was assessed before the test. RESULTS: The treatment group had significantly attenuated cortisol responses and stress appraisals in comparison to the control group. The endocrine differences were mediated by differences in cognitive appraisals. DISCUSSION: These results indicate that resource-oriented stress management training effectively reduces endocrine stress responses to stress in healthy adults. 相似文献