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Previous team role taxonomies have largely relied on self-report data, have focused on functional roles and have described individual predispositions or personality traits. Instead, this study takes a communicative approach and proposes that team roles are produced, shaped and sustained in communicative behaviors. To identify team roles communicatively, 59 regular organizational meetings were videotaped and analyzed. Cluster analysis revealed five emergent roles: the solution seeker, the problem analyst, the procedural facilitator, the complainer, and the indifferent. In terms of meeting outcomes, solution seekers were beneficial to idea longevity, whereas complainers were harmful for meeting satisfaction and idea longevity. Future research directions and managerial implications are highlighted. 相似文献
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臧丕文 《开封教育学院学报》2002,22(1):43-44
笔者在对犹太问题的研究中,惊奇地发现,中世纪反犹运动的发起者和领导者并不是传统上所指认的基督教会的教皇和主教,而是那些愚昧保守的中下层教士.正是他们为显示自己对基督的忠诚才把反犹哄炒成为运动而弥漫西欧的.由于反对富有的犹太人的运动迎合了基督教欧洲各个阶层的心理,因而得以如火如荼地展开.在反犹运动中,教皇和主教竭力保护犹太人,至多要求犹太人改教受洗,但这也是出于保护犹太人生命安全的无奈之举. 相似文献
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This article investigated and evaluated the changes which have occurred in Australian football since the publication of the Crawford Report in 2003. Prior to this report, it was widely perceived that football was the ‘sleeping giant’ of Australian professional sport despite its popularity at youth participant level. The Crawford Report made a range of recommendations and a new era was heralded when Football Federation Australia was established which set upon the task of adopting a number of Crawford’s recommendations. To investigate the impact of the Crawford Report on the current status of Australian football, a qualitative methodology was adopted. Purposive sampling was adopted to give voice to senior football figures who were involved in the sport in both the pre- and post-Crawford Report periods and a total of 15 semi-structured interviews were conducted. A number of significant themes emerged from the research. All participants agreed that Australian football’s appeal has been broadened. However, the interviews also reported that the perception of football as a minor code and always relegated to the ethnic margins was a ‘myth’. Also, the participants raised the issue of whether the Crawford Report was implemented to its fullest degree. They were passionate about the idea that if all recommendations were implemented, the sport might currently be in a much stronger position. 相似文献
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Karla de Jesus Kelly de Jesus J. Arturo Abraldes Luis Mourão Márcio Borgonovo-Santos Alexandre I. A. Medeiros 《Sports biomechanics / International Society of Biomechanics in Sports》2016,15(4):481-496
Foot and hand set-up position effects were analysed on backstroke start performance. Ten swimmers randomly completed 27 starts grouped in trials (n = 3) of each variation, changing foot (totally immersed, partially and totally emerged) and hand (lowest, highest horizontal and vertical) positioning. Fifteen cameras recorded kinematics, and four force plates collected hands and feet kinetics. Standardised mean difference and 95% confidence intervals were used. Variations with feet immersed have shown lower vertical centre of mass (CM) set-up position (0.16 m), vertical impulse exerted at the hands, horizontal and vertical impulse exerted at the feet (0.28, 0.41, 0.16 N/BW.s, respectively) than feet emerged with hands horizontal and vertically positioned. Most variations with feet partially emerged exhibited higher and lesser vertical impulse exerted at hands than feet immersed and emerged (e.g. vertical handgrip, 0.13, 0.15 N/BW.s, respectively). Variation with feet emerged and hands on the lowest horizontal handgrip depicted shorter horizontal (0.23, 0.26 m) and vertical CM positioning at flight (0.16, 0.15 m) than the highest horizontal and vertical handgrip, respectively. Start variations have not affected 15-m time. Variations with feet partially or totally emerged depicted advantages, but focusing on the entry and underwater biomechanics is relevant for a shorter start time. 相似文献
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Karla de Jesus Kelly de Jesus J. Arturo Abraldes Alexandre Igor Araripe Medeiros Ricardo J. Fernandes João Paulo Vilas-Boas 《Journal of sports sciences》2016,34(9):871-877
We aimed to analyse the handgrip positioning and the wedge effects on the backstroke start performance and technique. Ten swimmers completed randomly eight 15 m backstroke starts (four with hands on highest horizontal and four on vertical handgrip) performed with and without wedge. One surface and one underwater camera recorded kinematic data. Standardised mean difference (SMD) and 95% confidence intervals (CI) were used. Handgrip positioning did not affect kinematics with and without wedge use. Handgrips horizontally positioned and feet over wedge displayed greater knee angular velocity than without it (SMD = ?0.82; 95% CI: ?1.56, ?0.08). Hands vertically positioned and feet over wedge presented greater take-off angle (SMD = ?0.81; 95% CI: ?1.55, ?0.07), centre of mass (CM) vertical positioning at first water contact (SMD = ?0.97; 95% CI: ?1.87, ?0.07) and CM vertical velocity at CM immersion (SMD = 1.03; 95% CI: 0.08, 1.98) when comparing without wedge use. Swimmers extended the hip previous to the knee and ankle joints, except for the variant with hands vertically positioned without wedge (SMD = 0.75; 95% CI: ?0.03, 1.53). Swimmers should preserve biomechanical advantages achieved during flight with variant with hands vertically positioned and wedge throughout entry and underwater phase. 相似文献
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There are many benefits to peer and near-peer tutoring. The current literature suggests that near-peer teaching within the domain of gross anatomy may lead to the development of numerous competencies for burgeoning medical professionals. The aim of this study was a quantitative and qualitative approach to explore which professional and personal competencies anatomy tutors developed as a result of their teaching activities in a gross anatomy course at a medical school in Germany. For a period of 18 months, 24 peer tutors were followed and queried multiple times via questionnaire and semi-structured interviews. It was found that most of the skills tutors developed or strengthened over one semester matched most of the core competencies described in various official competency frameworks used for physician education. In particular, tutors thought that tutoring gross anatomy had improved their knowledge of professional behavior as well as their communication skills. They also felt that they had learned to take on more responsibility and to use available resources more effectively. Overall, tutoring gross anatomy was perceived as very challenging, but also very rewarding, mainly because it provided the opportunity to develop and strengthen important skills such as self-confidence, self-awareness, positive thinking, self-insight, and stress management. Ultimately, these are all factors that contribute to resilience, an important attribute for physicians. 相似文献
50.
The aim of the current study is to better understand the decision-making of men considering teaching as a career option. By means of a longitudinal study (n = 226), we examined the persistence of male academic high-school students in Switzerland interested in teaching during transition to higher education. For 85 men attending information events for teacher education, using regression analysis we explore factors contributing to their decidedness and volition before enrolling for teacher education studies. The findings reveal that only a very small number of male academic high-school students are interested in teaching. Those who are, however, are persistent in their study choice. Results of the regression analysis show that an interest in working with children and youth, the importance of having free time for other things and having professional experience working with children contribute to the likelihood of men having decided to take up teacher education studies. 相似文献