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21.
S A Al-Abood K Davids S J Bennett D Ashford M Martinez Marin 《Journal of sports sciences》2001,19(7):507-520
In the visual perception perspective of observational learning, the manipulation of relative and absolute motion information in visual demonstrations optimally directs learners' search towards appropriate task solutions. We assessed the effect of emphasizing transformational information and removal of structural information using point-light kinematic displays in approximating the model's relative motion patterns. Participants viewed computer-simulated point-light demonstrations or normal video demonstrations before and intermittently throughout 100 acquisition trials with knowledge of results on an underarm modified-dart aiming task. On the next day, all participants performed 20 retention trials without demonstrations. The kinematics of spatial and temporal coordination and control variables were examined relative to the model's action, as well as performance scores. The results indicated that approximation of the model's spatial and temporal coordination and control patterns was achieved after observation of either type of demonstrations. No differences were found in movement outcomes. In a second experiment, the effects of manipulating absolute motion information by slow-motion demonstrations were examined relative to real-time demonstrations. Real-time demonstrations led to a closer approximation to the model's spatial and temporal coordination patterns and better outcome scores, contradicting predictions that slow-motion displays convey intact relative motion information. We speculate that the effect of visual demonstration speed on action perception and reproduction is a function of task constraints--that is, novelty or familiarity of relative motion of demonstrated activities. 相似文献
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We are concerned with the ways in which social constructions of age can contribute to reducing or exacerbating the vulnerability of young people, and for this reason we refer to the issue as one of ‘the politics of innocence’. The focus of this paper is on gender, youth and HIV prevention/AIDS awareness in the context of South Africa and investigates the uses (and abuses) of images of ‘childhood’, ‘youth’ and ‘adolescence’ in the age of AIDS. Notwithstanding the particular case of South Africa where the incidence of new cases of HIV infection amongst young people is at crisis proportions, the impetus for our work on the visual representations of youth, gender and AIDS comes out of a recognition of the increasing risk of youth to sexually transmitted infections, HIV and AIDS, and within that the particular vulnerability, worldwide, of young women. 相似文献
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Anne-Sophie Hayek Claudia Toma Sofia Guidotti Dominique Oberlé Fabrizio Butera 《European Journal of Psychology of Education - EJPE》2017,32(1):97-112
At school, pupils often cooperate on common projects and must coordinate their different individual actions. However, grades are pervasively used even in cooperative situations, which make the pupils’ differences in achievement and their relative rank salient and may reduce their inclination to work constructively with others. Thus, we hypothesized that grades would elicit disruptive interactions and reduce performance in a cooperative cognitive-motor task necessitating inter-individual coordination of members. In a study with 5th graders, grades (vs. a neutral concept) were primed at the onset of a cooperative group interaction. Results showed that, although pupils were set to work cooperatively, priming grades (vs. neutral concepts) harmed inter-individual coordination by eliciting more negative dominant behaviours among pupils during interactions, which decreased group performance. 相似文献
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This study examined the extent to which the quality of parent and peer attachments related to early adolescents' life satisfaction (LS), whether peer attachment served as a mediator between parent attachment and LS, and potential gender differences. A total of 587 middle school students in grades 6 through 8 participated. Although both parent and peer attachment positively related to LS, parent attachment was the stronger unique predictor. There was no significant difference between males and females in levels of parent attachment; however, females reported higher levels of attachment to peers. This study also found that early adolescents were more attached to their mothers than their fathers. Finally, peer attachment partially mediated the relationship between parent attachment and LS, but only for females. Implications for gender‐specific intervention programs are discussed. © 2008 Wiley Periodicals, Inc. 相似文献
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Schürmann Linda Gaschler Robert Quaiser-Pohl Claudia 《European Journal of Psychology of Education - EJPE》2021,36(3):739-757
European Journal of Psychology of Education - Preservice teachers should learn about motivation theory during their university studies in order to be able to motivate their students in their future... 相似文献
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