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251.
    
ObjectivesSlow and fast thinking are crucial for human decision making in several domains of human activity including sports. These cognitive processes are remarkable in the intellectually demanding sport of chess. Slow and fast thinking underlie chess performance. However, the relative influence of each process has elicited controversial findings. Moreover, individual differences in chess skill are likely to moderate the integration of both processes.DesignThe simultaneous change over six time points in slow and fast chess performance was analyzed with a cross-domain latent curve model (LCM).MethodArchival data from an extensive group of chess players (n = 32,173) were included in these analyses at untitled, intermediate, and advanced levels of expertise. Intercept and slope latent factors of growth were specified and correlated for both processes.ResultsThere were remarkable differences in the change in slow and fast performance regarding the three expert levels, and in the concurrent interrelationship of both processes. The interdependence between both processes was more robust for the advanced than for the untitled and intermediate players.ConclusionsThese findings suggest that a better integration of slow and fast performance is produced at higher levels of expertise.  相似文献   
252.
Previous research has focused on understanding when, why, and how sex differences in creativity occur, as results vary across samples, measures, and methodologies. In the current study we investigated sex differences in creativity among 984 high achieving adolescents in three expertise areas: Sciences, Arts, and Sports. Eight creativity indicators were analyzed: Alternative uses task (AUT) fluency; creative self-efficacy (CSE); intraindividual strengths (difference between CSE and AUT Fluency); five self-reported creativity scales: Self/everyday, scholarly, performance, mechanical/scientific, artistic. The results showed negligible sex differences ( n p 2 = .01), with females performing better in AUT Fluency and males self-rating their CSE higher. No sex differences were found in self/everyday, scholarly and performance creativity. Males self-rated their mechanical/scientific creativity ( n p 2 = .06) higher than females; while females self-rated their artistic creativity ( n p 2 = .02) higher in comparison to males. Our results extend the existing literature by finding negligible sex differences in adolescent expert groups. However, some stereotypical differences emerged, for example, females with Sciences expertise rated their mechanical/scientific creativity lower than males with and even without Sciences expertise. Results call for further investigation into the links between sex differences, expertise, and specific creativity domains.  相似文献   
253.
    
Working in a group requires coordination. The current paper examines coordination in terms of member‐level behavioral choices. Extending expectancy theory to a collaborative group setting, we interpret past findings on expertise and hypothesize that component features (specifically their difficulty and worth relative to each other) impact member behavior and hence coordination both directly and by moderating the role of expertise. Findings were largely as predicted, suggesting that an expectancy theory perspective may be a useful tool for the study and understanding of coordination. An exploratory examination of recordings of group interaction suggested that although most of our groups discussed coordination strategies, the strategies discussed did not generally map to the behavioral choices observed. Implications for coordination in general and transactive memory specifically are discussed. Copyright © 2016 John Wiley & Sons, Ltd.  相似文献   
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Against the background of the embodied cognition approach this experiment investigated the influence of motor expertise on object-based vs. egocentric transformations in a chronometric mental rotation (MR) task using images of either the own or another person’s body as stimulus material. The present study aimed to clarify two issues: (1) whether stimulus size (life size vs. small) is able to induce embodiment effects and (2) which role self-awareness processes play when using stimuli of the own body. The same design was conducted twice using both small stimuli (Study 1) and life-size human figures (Study 2). Using life-sized figures in Study 2 resulted in an explicit advantage of self-related stimuli and improved performance for motor experts compared to non-motor experts in both object-based and egocentric transformations. In conclusion, these results suggest that life-sized figures do indeed induce stronger embodiment effects in MR.  相似文献   
256.
    
Experts are usually valued for their knowledge. However, do they possess metaknowledge, that is, knowing how much they know as well as the limits of that knowledge? The current research examined expert metaknowledge by comparing experts' and nonexperts' confidence when they made correct versus incorrect choices as well as the difference in-between (e.g., Murphy's Resolution and Yate's Separation). Across three fields of expertise (climate science, psychological statistics, and investment), we found that experts tended to display better metaknowledge than nonexperts but still showed systematic and important imperfections. They were less overconfident than nonexperts in general and expressed more confidence in their correct answers. However, they tend to exhibit low Murphy's Resolution similar to nonexperts and gave endorsed wrong answers with equal to higher confidence than did their nonexpert peers. Thus, it appears that expertise is associated with knowing with more certainty what one knows but conceals awareness of what one does not know.  相似文献   
257.
    
Since the end of the 20th century, the elite athlete mother has been a growing social phenomenon, with increasing numbers of female athletes returning to elite level sport postpartum. Allyson Felix and Serena Williams are two recent elite athletes who successfully transitioned into their new identity of elite athlete mother. However, there is no guarantee that all transitional journeys will be as successful. The purpose of the present study was to enhance current knowledge of the experiences during pregnancy and motherhood in elite sport by exploring how becoming a mother impacted on the perceived personal and physical identity of elite athletes. Two elite athletes who had recently given birth to their first child were interviewed at two-months, six-months, and 15–16 months post-birth. Interviews were analyzed using a reflexive thematic analysis to explore how identity may have changed over the initial 15–16 months of motherhood. Three themes were developed, comprising: athlete identity; mother identity; and athlete mother identity. The sub-themes of identity, physical identity, shifting of goals, juggling athlete and mother identity, dual identity, priorities, and lifestyle were generated and demonstrated both similarities and nuances in the experiences of the two athletes. This study is the first to provide longitudinal insights into the experiences of both para and non-para elite athlete mothers during the initial stages of motherhood. Findings highlight the individual nature of such an experience and illuminate some of the negotiations of the personal, athlete, and mother identity that an athlete mother may experience.  相似文献   
258.
I respond to Selinger and Mix (Selinger, E. and Mix, J. 2004. On interactional expertise: Pragmatic and ontological considerations. Phenomenology and the Cognitive Sciences 3: 145–163), concentrating on their charges that Collins (Collins, H. M. 2004a. Interactional expertise as a third form of knowledge. Phenomenology and the Cognitive Sciences 3: 125–143) underrates the importance of interactional expertise as an expertise sui generis and that the paper fails to analyse the idea of embodiment sufficiently holistically, misleading treating the ‘body’ as no more than the linear sum of its parts. This revised version was published online in June 2006 with corrections to the Cover Date.  相似文献   
259.
专家医生的知识结构及诊断推理方式   总被引:2,自引:0,他引:2       下载免费PDF全文
医学专长研究中“中间者效应”的发现,引发了研究者对专家医生知识结构的探讨。在“知识打包”的基础上,医生的临床知识以“疾病脚本”的方式组织起来。随着临床经验的增加,专家医生积累了丰富的疾病脚本。在临床诊断中,他们无需对病人所有的体征和症状进行仔细地和系统地分析,而是通过非分析性的推理方式——“模式识别”或“样例识别”便可自动激活与之匹配的疾病脚本,据此对病人做出迅速而准确的诊断。医学专长的本质就在于专家医生以“疾病脚本”的方式组织起来的知识结构。“适应性专长”代表了未来医学专长研究的新方向  相似文献   
260.
    
This meta-analytic research delves into the influence of expertise on cognitive interpreting, emphasizing time efficiency, accuracy, and cognitive effort, in alignment with prevailing expertise theories that link professional development and cognitive efficiency. The study assimilates empirical data from 18 eye-tracking studies conducted over the past four decades, encompassing a sample of 1581 interpreters. The objective is to elucidate the role of expertise in interpretative performance while tracing the evolution of these dynamics over time. Findings suggest that expert interpreters outperform novices in time efficiency and accuracy and exhibit lower cognitive effort, especially in sight and consecutive interpreting. This effect is particularly pronounced in the English-Chinese language pair and with the use of E-prime and Tobii eye-tracking systems. Further, fixation count and pupil size are essential metrics impacting cognitive effort. These findings have vital implications for interpreter training programs, suggesting a focus on expertise development to enhance efficiency and accuracy, reduce cognitive load, and emphasize the importance of sight interpreting as a foundational skill. The selection of technology and understanding of specific ocular metrics also emerged as essential for future research and practical applications in the interpreting industry.  相似文献   
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