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101.
102.
Two studies showed that the link between how much students base their self-worth on academics and their math performance depends on whether their identification with math was statistically controlled and whether the task measured ability or not. Study 1 showed that, when math identification was uncontrolled and the task was ability-diagnostic, basing self-worth on academics was unrelated to the students' math performance. When math identification was controlled, however, the more students based self-worth on academics the worse their math performance. Study 2 showed that, when math identification was uncontrolled and the task was ability non-diagnostic, the more students based self-worth on academics the better their math performance. When math identification was controlled, however, students' level of basing self-worth on academics was unrelated to math performance. These results held for females and males even when gender was made salient. In both studies, higher math identification linked to better math performance. 相似文献
103.
Simon D. Angus Judith Watson 《British journal of educational technology : journal of the Council for Educational Technology》2009,40(2):255-272
While a number of studies have been conducted on the impact of online assessment and teaching methods on student learning, the field does not seem settled around the promised benefits of such approaches. It is argued that the reason for this state of affairs is that few studies have been able to control for a number of confounding factors in student performance. We report on the introduction of a regular (every 3 weeks) low-mark online assessment tool in a large, first-year business mathematics course at the University of New South Wales, a major Australian university. Using a retrospective regression methodology together with a very large and rich data set, we test the proposition that exposure to the online assessment instrument enhances student learning. Significantly, we are able to control for prior student aptitude, in-course mastery, gender and even effort via a voluntary class attendance proxy. Furthermore, the study incorporates two large, and statistically diverse cohorts as well as manipulations in the model tested to robustly examine the outcomes. Our central result is that higher exposure to the online instrument robustly leads to higher student learning, all else being equal. Various implications for online assessment design, implementation and targeting are also discussed. 相似文献
104.
This paper arises out of the transition from a PhD thesis on Heidegger's phenomenology to my attempts to come to terms with 'becoming a teacher'. The paper will provide a phenomenological interpretation of being a teacher in relation to the question of an 'authentic' interpretation of teaching/learning and the possibility of an authentic interpretative praxis. I will argue that being a teacher is a phenomenon of human existence which can be interpreted as a possible way of being with authentic and inauthentic potentialities. This way of being is intrinsically linked to that of learning; of becoming human or becoming the authentic possibilities of being-human. As such, the problem of being a teacher is primarily an ethical question (or a question of ɛτηοσ—dwelling); of who we are as humans and of how being a teacher engages with the in-formation of the becoming of students as authentic human beings. This then leads to the problem of how a phenomenological interpretation of education can be applied or lived; of authenticity in teaching/learning and the possibilities of authentic learning environments (educational dwelling) . 相似文献
105.
Research shows teacher collaborative learning to be a powerful vehicle to mobilise teacher instructional change and pedagogical
practices, and to improve student achievement. For such undertakings to have positive impact, understanding the visible features
of collaborative structures may not be sufficient to ensure sustainable practice. Instead, there is a need to identify underlying
pathways that provide for successful instructional improvement. The purpose of this qualitative study is to obtain deeper
insights into teacher outcomes arising from this practice and to identify aspects of the lesson study structure and processes
that afford such opportunities. Three subject groups consisting of ten teachers from a Singapore high school participated
in this study. Implications on staff development programs will be discussed in the light of these findings. 相似文献
106.
Rachel K. Katch Samantha E. Scarneo William M. Adams Lawrence E. Armstrong Luke N. Belval Julie M. Stamm Douglas J. Cas 朱为模审校 《体育科研》2018,(2):31-46
参加有组织的体育运动和休闲活动存在发生严重伤病甚至死亡的内在风险。虽然造成体育运动或体育活动中猝死的原因有很多,但运动医学和循证标准治疗方面的进展已使临床医生得以更有效地预防、发现和治疗可能致死的伤患。随着研究与技术不断发展进步,当前的治疗标准正在不断发展以更好地改善患者的治疗效果。本文提出了10个与运动和体育活动中猝死的主要原因及其治疗手段有关的关键问题,未来开展的研究将提高运动员和休闲运动爱好者参与运动的安全度。当前证据表明,如采取正确的预防策略或最佳治疗方案,绝大多数的死亡案例是可以避免的。 相似文献
107.
研究了媒介体育的宣传文化如何在性别、体育迷以及消费者身份这三个相互联系的方面上定义我们。文中引用了最近一系列研究,这些研究展示了如何运用叙事伦理的一个新"脏言理论"来揭露在描述男性、女性以及他们作为体育迷和消费者的角色时所涉及的固定模式和限制。并重点讨论了在支撑消费者文化中体育叙事的叙事霸权动态和社会变化在伦理学中的前景和限制。 相似文献
108.
This article highlights new nutritional concerns or practices that may influence the adaptation to training. The discussion is based on the assumption that the adaptation to repeated bouts of training occurs during recovery periods and that if one can train harder, the adaptation will be greater. The goal is to maximize with nutrition the recovery/adaptation that occurs in all rest periods, such that recovery before the next training session is complete. Four issues have been identified where recent scientific information will force sports nutritionists to embrace new issues and reassess old issues and, ultimately, alter the nutritional recommendations they give to athletes. These are: (1) caffeine ingestion; (2) creatine ingestion; (3) the use of intramuscular triacylglycerol (IMTG) as a fuel during exercise and the nutritional effects on IMTG repletion following exercise; and (4) the role nutrition may play in regulating the expression of genes during and after exercise training sessions. Recent findings suggest that low doses of caffeine exert significant ergogenic effects by directly affecting the central nervous system during exercise. Caffeine can cross the blood–brain barrier and antagonize the effects of adenosine, resulting in higher concentrations of stimulatory neurotransmitters. These new data strengthen the case for using low doses of caffeine during training. On the other hand, the data on the role that supplemental creatine ingestion plays in augmenting the increase in skeletal muscle mass and strength during resistance training remain equivocal. Some studies are able to demonstrate increases in muscle fibre size with creatine ingestion and some are not. The final two nutritional topics are new and have not progressed to the point that we can specifically identify strategies to enhance the adaptation to training. However, it is likely that nutritional strategies will be needed to replenish the IMTG that is used during endurance exercise. It is not presently clear whether the IMTG store is chronically reduced when engaging in daily sessions of endurance training or if this impacts negatively on the ability to train. It is also likely that the increased interest in gene and protein expression measurements will lead to nutritional strategies to optimize the adaptations that occur in skeletal muscle during and after exercise training sessions. Research in these areas in the coming years will lead to strategies designed to improve the adaptive response to training. 相似文献
109.
Matt Spencer Steven Lawrence Claire Rechichi David Bishop Brian Dawson Carmel Goodman 《Journal of sports sciences》2013,31(9):843-850
Limited information exists about the movement patterns of field-hockey players, especially during elite competition. Time–motion analysis was used to document the movement patterns during an international field-hockey game. In addition, the movement patterns of repeated-sprint activity were investigated, as repeated-sprint ability is considered to be an important fitness component of team-sport performance. Fourteen members of the Australian men's field-hockey team (age 26±3 years, body mass 76.7±5.6?kg, [Vdot]O2max 57.9±3.6?ml?·?kg?1?·?min?1; mean±s) were filmed during an international game and their movement patterns were analysed. The majority of the total player game time was spent in the low-intensity motions of walking, jogging and standing (46.5±8.1, 40.5±7.0 and 7.4±0.9%, respectively). In comparison, the proportions of time spent in striding and sprinting were 4.1±1.1 and 1.5±0.6%, respectively. Our criteria for ‘repeated-sprint’ activity (defined as a minimum of three sprints, with mean recovery duration between sprints of less than 21?s) was met on 17 occasions during the game (total for all players), with a mean 4±1 sprints per bout. On average, 95% of the recovery during the repeated-sprint bouts was of an active nature. In summary, the results suggest that the motion activities of an elite field-hockey competition are similar to those of elite soccer, rugby and Australian Rules football. In addition, the investigation of repeated-sprint activity during competition has provided additional information about the unique physiological demands of elite field-hockey performance. 相似文献
110.
Lawrence F. Locke 《Research quarterly for exercise and sport》2013,84(3):418-429
Abstract The purpose of this study was to inquire into the validity of certain aspects of the public image of the physical educator through the use of selected psychological test instruments, and to assess these factors in a group of administration oriented physical educators. The performances of the physical educators differed significantly from those of a group of classroom teachers on each of three psychological measures. The direction of some of the differences provides support for the public image of the physical educator. Conclusions must be modified by the fact that a high degree of overlap exists between the performance distributions of the two groups and by the observation that the differences were altered sharply by experimental changes in the membership of the physical education group. 相似文献