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941.
Henry D. Mason 《Journal of Psychology in Africa》2018,28(1):66-68
This study examined grit and academic performance among a sample of South African university students (n = 121, mean age = 19.55, SD = 1.77, female = 57.85%). Data were collected using the Grit Scale and academic performance was assessed over one academic semester. Simple regression analysis was computed to predict students’ academic achievement from components of their self-reported grit. The grit component of consistency of interest accounted for 3% of the variance in the student’s academic achievement scores. Similarly, the grit component of perseverance of effort explained 9% of the variance in scores. Students who scored high on the Grit Scale also obtained higher academic marks compared to participants who scored low on the same instrument. The findings suggest that grit is an important personal resource for higher education students. 相似文献
942.
《Psychologie du Travail et des Organisations》2018,24(3):294-308
This paper examines the relationship between the search for positive and negative feedback and job performance, as rated by supervisors, as a function of employees’ goal orientations (learning, performance, and avoidance). Based on a study among 197 employees from various industries, the relationship between the search for positive feedback and job performance was found to be stronger and positive when either learning, performance, or avoidance goal orientation was high, revealing the effects consistently favorable of positive feedback. In contrast, the search for negative feedback exerted a negative effect on job performance among employees who held a high performance goal orientation. We discuss the implications of these findings for our understanding of the effects of feedback-seeking behavior on job performance. 相似文献
943.
944.
采用问卷法调查了138名民航飞行员,探讨了自我效能感对飞行安全绩效的影响,以及在这一影响过程中组织信任、组织承诺和工作投入的作用。结果显示,自我效能感对组织信任、组织承诺、工作投入和安全绩效有直接正向作用。组织信任在自我效能感对组织承诺、工作投入、安全绩效的影响中有部分中介作用。组织承诺与工作投入在自我效能感对安全绩效影响中发挥着部分中介作用。结论:自我效能感对安全绩效有直接效应,并可通过组织信任、组织承诺和工作投入对安全绩效产生间接影响。 相似文献
945.
Previous research has found that activating negative stereotypes after completion of a task can lead people to feel more certain that they performed poorly (i.e., stereotype validation). The current research examined the implications that stereotype validation may hold for future performance. In two studies, the accessibility of gender stereotypes was manipulated after participants completed an initial test on a topic. After reporting perceptions of their performance, participants completed a follow-up test on the same subject. Consistent with hypotheses, activating negative stereotypes after the initial test was found to increase certainty in negative performance evaluations among stigmatized participants. Importantly, this higher certainty – triggered by stereotypes – predicted decreased performance on the later, follow-up test. 相似文献
946.
H. Lee Swanson 《Child neuropsychology》2018,24(3):370-395
This randomized control study investigates the effects of working memory (WM) training on near (similar WM memory tasks) and far (math problem-solving processes and accuracy tasks) transfer in children aged 7 to 11 years who vary in fluid intelligence. Participants were randomly assigned to either a control group or one of two WM training conditions (repeated practice vs. cued recall). ?When compared to the control condition, the results show that the cued recall condition yields higher post-test scores for the far transfer measures, whereas the repeated practice condition yields higher scores for the near transfer? measures. However, these finding are qualified by significant treatment × fluid intelligence interactions. Thus, improvements in WM and related measures, as well as the positive transfer in learning outcomes, are moderated by fluid intelligence. 相似文献
947.
In the present study, we characterize how the ability to decouple guiding visual information from a motor action emerges during childhood and adolescence. Sixty-two participants (age range 8–15 yrs.) completed two eye-hand coordination tasks. In a direct interaction task, vision and motor action were in alignment, and participants slid their finger along a vertical touch screen to move a cursor from a central target to one of four peripheral targets. In an eye-hand-decoupled task, eye and hand movements were made in different planes and cursor feedback was 180° reversed. We analyzed whether movement planning, timing and trajectory variables differed across age in both task conditions. There were no significant relationships between age and any movement planning, timing, or execution variables in the direct interaction task. In contrast, in the eye-hand-decoupled task, we found a relationship between age and several movement planning and timing variables. In adolescents (13–15 yrs.), movement planning and timing was significantly shorter than that of young children (8–10 yrs.). Eye-hand-decoupled maturation emerged mainly during late childhood (11–12 yrs.). Notably, we detected performance differences between young children and adolescents exclusively during the eye-hand decoupling task which required the integration of rule-based cognitive information into the motor action. Differences were not observed during the direct interaction task. Our results quantify an important milestone for eye-hand-decoupling development in late childhood, leading to improved rule-based motor performance in early adolescence. This eye-hand-decoupling development may be due to frontal lobe development linked to rule-based behavior and the strengthening of fronto-parietal networks. 相似文献
948.
Drawing on the upper-echelons theory and diversity issues, this study examines the relationships between top management team (TMT) organizational tenure, tenure diversity, and combat performance. The study is based on of Korea Combat Training Center (KCTC) that is designed for training and evaluation of the battalion combat power. Findings indicate that battalions with higher levels of TMT tenure have a positive effect on combat performance. Tenure diversity of TMT has a negative effect on combat performance. In addition, results showed that the negative relationships between tenure diversity of TMT and combat performance are attenuated by commander’s shared experience with other TMT members. 相似文献
949.
Alison Diaper David J. Nutt Marcus R. Munafò Joanna L. White Eric W. Farmer Jayne E. Bailey 《Military psychology》2013,25(6):615-622
The inhalation of 7.5% CO2 has been shown to induce cognitive effects similar to anxiety. Sixteen healthy participants (14 male; mean age 25.6 years) inhaled either a mixture of 7.5% CO2 gas or air while playing a group combat computer game. Participants reported greater feelings of anxiety and fired fewer bullets when inhaling CO2 compared with air, indicating CO2-induced anxiety may improve efficiency without task-related decrements. Being able to induce controlled and measured anxiety in group situations by CO2 inhalation may be a useful technique when evaluating response to stressful situations, such as combat, in simulators or real-life scenarios. 相似文献
950.
Rooted in the theory of attention put forth by Mirsky, Anthony, Duncan, Ahearn, and Kellam (1991), the Structured Attention Module (SAM) is a developmentally sensitive, computer-based performance task designed specifically to assess sustained selective attention among 3- to 6-year-old children. The current study addressed the feasibility and validity of the SAM among 64 economically disadvantaged preschool-age children (mean age = 58 months; 55% female); a population known to be at risk for attention problems and adverse math performance outcomes. Feasibility was demonstrated by high completion rates and strong associations between SAM performance and age. Principal Factor Analysis with rotation produced robust support for a three-factor model (Accuracy, Speed, and Endurance) of SAM performance, which largely corresponded with existing theorized models of selective and sustained attention. Construct validity was evidenced by positive correlations between SAM Composite scores and all three SAM factors and IQ, and between SAM Accuracy and sequential memory. Value-added predictive validity was not confirmed through main effects of SAM on math performance above and beyond age and IQ; however, significant interactions by child sex were observed: Accuracy and Endurance both interacted with child sex to predict math performance. In both cases, the SAM factors predicted math performance more strongly for girls than for boys. There were no overall sex differences in SAM performance. In sum, the current findings suggest that interindividual variation in sustained selective attention, and potentially other aspects of attention and executive function, among young, high-risk children can be captured validly with developmentally sensitive measures. 相似文献