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Motor proficiency in childhood has been recently recognised as a public health determinant, having a potential impact on the physical activity level and possible sedentary behaviour of the child later in life. Among fundamental motor skills, ballistic skills assessment based on in-field quantitative observations is progressively needed in the motor development community. The aim of this study was to propose an in-field quantitative approach to identify different developmental levels in overarm throwing. Fifty-eight children aged 5–10 years performed an overarm throwing task while wearing three inertial sensors located at the wrist, trunk and pelvis level and were then categorised using a developmental sequence of overarm throwing. A set of biomechanical parameters were defined and analysed using multivariate statistics to evaluate whether they can be used as developmental indicators. Trunk and pelvis angular velocities and time durations before the ball release showed increasing/decreasing trends with increasing developmental level. Significant differences between developmental level pairs were observed for selected biomechanical parameters. The results support the suitability and feasibility of objective developmental measures in ecological learning contexts, suggesting their potential supportiveness to motor learning experiences in educational and youth sports training settings. 相似文献
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The purpose of the present study was to investigate the accuracy and processing speed of verbal stimuli among students with low and high ability in mathematics. A total of 60 native Greek students participated (30 boys and 30 girls), ranging in age from 15 to 18. A tachistoscopic technique was used to present the verbal stimuli: words were presented to either the left or the right visual field, and delivered to the contralateral hemisphere. Our results showed that students with high ability in mathematics gave faster responses and made fewer errors for the rhyme and semantic judgments they were asked to make than students with low ability in mathematics. This finding lends support to previous studies which claim an association between mathematical and language skills. Moreover, our data provide evidence for right hemisphere (RH) participation in making semantic judgments. 相似文献
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This research explored links between cognition (both social and academic) and children's behaviour in a bullying situation (participant roles). Participants were 186 fourth to sixth grade boys and girls from four primary schools in central Greece. Six categories of social cognition (self-efficacy for assertion, self-efficacy for aggression, expectations that aggression will lead to rewards, expectations that aggression will lead to victim suffering, the value placed on rewards and the value placed on suffering in the victim) and two categories of academic cognition (self-efficacy for learning and performance and the self-regulatory strategies used while solving problems) were investigated in connection to six participant roles (bully, victim, assistant, reinforcer, defender and outsider). Results suggest that there are differential associations between cognitions and the roles that children take in bullying situations, according to gender. Academic self-efficacy combined with certain social cognitions predicted both victimisation and bullying behaviour. Self-regulatory strategies combined with social cognitions similar to victim's and bully's predicted both assistant and reinforcer behaviour, while none of the cognition measures predicted defender or outsider behaviour. Implications for interventions against bullying are briefly discussed. 相似文献
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Stefanos Karamaroudis Eleni Poulogiannopoulou Marinos G. Sotiropoulos Thomas Kalantzis Elizabeth O. Johnson 《Anatomical sciences education》2020,13(6):694-706
In light of the current shifts in medical education from traditional lectures to more active teaching modalities, a peer-teaching program was introduced to a compulsory, second-year neuroanatomy course. A cross-sectional survey of 527 medical students in the six-year medical program of the National and Kapodistrian University of Athens was administered. The primary aim of the survey, which was distributed to second- through sixth-year medical students, who had completed the neuroanatomy course, was to assess student perception of peer teachers (PTs). Across the five years assessed, students increasingly acknowledged the contribution of PTs to their learning (P < 0.001). Attributes of PTs (e.g., contribution to learning, motivation, effective usage of material, and team environment) were significantly related to the student's opinion of the importance of laboratory activities (P < 0.001). Students who received “average” final grades scored the importance of laboratory exercises, and by inference PTs, significantly lower than students who received “excellent” final grades (P < 0.05). The amount of training that PTs had received was also significantly related to student perceptions of a PT's contribution. Better trained PTs were associated with significantly higher scores regarding learning, motivation, and positive environment compared to less trained PTs (P < 0.05). The results of the present study show that peer-teaching was well received by students attending the neuroanatomy course. While the results express the evolution of the program across the years, the findings also show that learners believed that PTs and the laboratory program contributed significantly to their understanding of neuroanatomy. 相似文献
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Theresa L. Miyashita Eleni Diakogeorgiou Kaitlyn Marrie 《Sports biomechanics / International Society of Biomechanics in Sports》2020,19(2):180-188
AbstractHead impacts resulting in a concussion negatively affect the vestibular system, but little is known about the effect of subconcussive impacts on this system. This study’s objective was to determine if subconcussive head impacts sustained over one competitive lacrosse season, effect sway velocity. Healthy Division I male lacrosse players (n = 33; aged 19.52 ± 1.20 years) wore instrumented helmets to track head impact exposures. At the beginning and end of the season the players completed an instrumented Balance Error Scoring System assessment to assess sway velocity. Score differentials were correlated to the head impact exposure data collected via instrumented helmets when averaged within participant. Paired samples t-tests revealed a post-season increase in sway velocity on the double leg stance, firm surface (p = 0.002, d = 0.59); tandem stance, firm surface (p = 0.033, d = 0.39) and double leg, foam surface (p = 0.014, d = 0.45) A significant correlation was found between change in tandem stance, firm surface sway velocities and linear acceleration (p < 0.001, r = 0.65). It appears subconcussive impacts may result in tandem stance balance deficits. Repetitive head impacts may negatively affect sway velocity, even in the absence of a diagnosed concussion injury. 相似文献
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Eleni Lithari 《International Journal of Inclusive Education》2013,17(3):280-296
ABSTRACTIdentity construction for individuals with dyslexia is significantly moulded by their transition to and experiences within secondary education. This is an interview-based study with 20 participants living in England. Support-related school experiences, relationships with teachers, societal perceptions about the importance of literacy and academic achievement and the reactions of others around them are the core focus. The findings are theorised using symbolic interactionism, and this paper aims to extend Goffman’s notion of ‘spoiled identity’ into a more specialised term for children with Special Educational Needs, resulting in the alternative term ‘fractured academic identity’, the elements of which are developed throughout this paper from the experiences of learners with dyslexia. The findings revolve around identity development as result of academic experiences, and are mainly aimed at teachers, to inform their knowledge around identity issues and to also inform their practice. 相似文献
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Eleni Prokou 《欧洲教育》2014,46(1):34-54
This article argues that adult education/lifelong learning policies in Greece, as these are expressed by law 3879/2010 "Development of Lifelong Learning and Other Provisions," have the characteristics of the "statist" model of lifelong learning in Europe, namely strong governmental control and centralization. However, there are also characteristics of the "social partnership" model: regulations through a legal framework and stronger involvement of social partners and local government. Finally, under the influences of European education policy, a special emphasis in Greek policies is placed on the issues of accreditation/quality assurance and the formation of a qualifications framework. These issues are dominant in the market-driven systems of lifelong learning, are consistent with the model of "voluntary partnership," and stress the individualization of the responsibility for learning. 相似文献