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Educational technology research and development - Multi-touch interfaces allow for direct and simultaneous input by several co-present learners and afford hands-on learning experiences. Additional...  相似文献   
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ABSTRACT

Para Va’a is a new Paralympic sport in which athletes with trunk and/or leg impairment compete over 200 m. The purpose of this study was to examine the impact of impairment on kinematic and kinetic variables during Va’a ergometer paddling. Ten able-bodied and 44 Para Va’a athletes with impairments affecting: trunk and legs (TL), legs bilaterally (BL) or leg unilaterally (UL) participated. Differences in stroke frequency, mean paddling force, and joint angles and correlation of the joint angles with paddling force were examined. Able-bodied demonstrated significantly greater paddling force as well as knee and ankle flexion ranges of movement (ROM) on the top hand paddling side compared to TL, BL and UL. Able-bodied, BL and UL demonstrated greater paddling force and trunk flexion compared to TL, and UL demonstrated larger bottom hand paddling side knee and ankle flexion ROM compared to BL. Significant positive correlations were observed for both male and female athletes between paddling force and all trunk flexion angles and ROM in the trunk and pelvis rotation and bottom hand paddling side hip, knee and ankle flexion. The results of this study are important for creating an evidence-based classification system for Para Va’a.  相似文献   
124.
Given the emerging interest in institutional positioning and to augment the small number of empirical studies in this field, this paper presents discussion about how Finnish universities of applied sciences implement their profiling strategies. The analysis is based on an examination of documents recently submitted by these institutions when reapplying for operating licences. The paper discusses how institutions refer to their positioning statements when introducing or responding to changes in their internal or external environments and questions whether or not positioning paves the way to strategic actorhood. The results suggest that the universities of applied sciences that most often refer to profiling statements have built different kinds of networks to support their positioning activities. Moreover, they have made considerable structural changes to implement their positioning strategies. The restructuring of human resource capacity required to execute the positioning strategy is discussed in the reapplication documents, albeit with a lesser emphasis.  相似文献   
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This article presents a novel spatio-temporal framework for studying knowledge creation. To achieve this, we analyzed the recent literature on space, time and knowledge and conducted an empirical study. The intensive case was about four international distinguished university research groups in Finland in the fields of technology and science. Object, communicative and cognitive spaces with linear and relational times were used as tools for empirical analysis. Combinations of space and time bring out different aspects of knowledge. Knowledge processes of progressing knowledge (time-space), creating distinguished knowledge (space-time), and path-taking and bundling knowledge (spacetime) bind spaces and times closely together. Besides academy, the spatio-temporal framework can be applied to study the knowledge creation processes in art, business and local communities, for example.  相似文献   
126.
Learners often have difficulties comprehending multiple texts about controversial scientific issues. In particular, learners with strong prior beliefs tend to construct a one-sided mental representation that is biased towards belief-consistent information (text-belief consistency effect). In the present study we examined the effectiveness of information of three metacognitive strategies tailored to strengthen the comprehension of belief-inconsistent information during multiple text comprehension. According to theories of self-regulated learning, knowledge about relevant metacognitive strategies improves comprehension only when learners are also motivated to use these strategies. These hypotheses were investigated in an experiment in which 85 participants read one belief-consistent and one belief-inconsistent text about a controversial scientific issue. Participants either received information about three metacognitive strategies or no additional information. In addition, participants’ motivation was manipulated by providing them with either negative or positive performance feedback or no feedback. As predicted, a text-belief consistency effect was found, which was eliminated by strengthening the situation model for the belief-inconsistent text only when learners received information about relevant metacognitive strategies and were motivated to use these strategies after positive performance feedback.  相似文献   
127.
Linda Bain (1995) argues that subjective knowledge is of central importance to her life, both personally and professionally, and that a purely objective approach to physical education should be complemented with subjective knowledge, the key to which is “mindfulness.” Following her lead, we argue that the traditional model of physical education and health, absent of mindfulness, falls into contradictions that are destructive to the person and urge instead for a holistic approach. We contend that Eastern Movement Disciplines (EMDs) are ideally suited to integrating mindfulness into Western physical education since they are, by their very nature, mindful activities, never understanding the person as “object” but always as body-mind. We discuss the historical and holistic background of mindfulness and EMDs, relate this to certain Western philosophical schools of thought, and bring out implications for physical education and health. Finally, in the spirit of holism, we touch briefly on the social significance of this East-West merger.  相似文献   
128.
The ‘coming of age’ films Bend it like Beckham, Whale Rider and Harry Potter feature distinctive narratives about girlhood and boyhood that provide a perspective on the changing historical and political context of gendered identity construction in the new millennium. The early 2000s represented a particular moment in thinking about the possibilities, risks and threats of gender relations in Western countries. This was overwhelmingly represented by a discourse of crisis and loss in relation to boyhood and a discourse of hope in relation to girlhood. These films reflect the tensions and contradictory readings of the new cultural politics of gender in the early 2000s, drawing on many of the discourses present in academic discussions about young people's gendered identities. We show how an analysis of ‘coming of age’ films offers a lens for examining the cultural politics of gender and education, and for reflecting on social change and the perceptions and anxieties that this brings.  相似文献   
129.
Worldwide, considerable emphasis is currently being placed on the provision of appropriate classroom-based preventative interventions and in-class literacy support, in preference to withdrawal methods of educational support. Many schools in Ireland are currently implementing Literacy Lift-Off in their classrooms. Literacy Lift-Off is an adaption of the well-known Reading Recovery programme. The current study aims to establish whether Literacy Lift-Off improves students’ literacy skills. It further seeks to determine what impact Literacy Lift-Off has on students’ reading self-concept levels. Ninety-two students aged between five years and six years six months (52 boys, 40 girls) attending four Senior Infant classes were recruited for this study. Two class groups were randomly chosen to act as an intervention cohort (n = 47) and two class groups were randomly chosen to act as a wait-list control cohort (n = 45). This experimental study evaluated the Literacy Lift-Off intervention on students’ letter identification, word attack skills, word reading, and reading self-concept beliefs. Intervention students were compared with control students who did not receive the Literacy Lift-Off intervention at pre-test and post-test levels. Results showed that while both groups showed significant change on all dependent variables from pre-intervention to post-intervention, those in the experimental group showed significantly more improvement on word attack skills, word reading and reading self-concept beliefs. This study showed that a whole-class reading recovery programme can be effective in improving literacy skills and reading self-concept.  相似文献   
130.
This study investigated the effects of combined sleep deprivation and strenuous exercise on cognitive and neurobehavioral performance among long-distance runners completing one of the most difficult ultramarathons in the world. Seventeen runners participated. Each had a wrist-worn actigraph throughout the race to record their sleep time. In addition, each individual’s performance in 10-min response-time tests before and after the race was recorded and a questionnaire enabled participants to report any difficulties they experienced during the competition. During race completion times of 27 to 44 h, combined acute lack of sleep (12 ± 17 min of rest during the race) and strenuous exercise (168.0 km) had marked adverse effects on cognitive performances ranging from mere lengthening of response time to serious symptoms such as visual hallucinations. This study suggests that regardless of rest duration and time in race, cognitive performances of ultramarathoners are adversely affected.  相似文献   
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