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Michael Veber 《体育哲学杂志》2013,40(2):267-277
This paper is a critique of the coercion argument against performance-enhancing drugs (PEDs). According to this argument, lifting the ban on PEDs would undermine the autonomy of athletes by creating a situation where everyone must either use PEDs or not compete at the highest levels of sport. Four problems are raised for this argument and it is concluded that the argument fails. A variation on the coercion argument is also considered and rejected. 相似文献
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Bruno Goncalves Galdino da Costa Jean-Philippe Chaput Marcus Vinicius Veber Lopes Luis Eduardo Argenta Malheiros Kelly Samara Silva 《运动与健康科学(英文)》2022,11(2):252-259
Background:Physical activity,sleep,and sedentary behaviors compose 24-h movement behaviors and have been independently associated with depressive symptoms.However,it is not clear whether it is the movement behavior itself or other contextual factors that are related to depressive symptoms.The objective of the present study was to examine the associations between self-reported and accelerometer-measured movement behaviors and depressive symptoms in adolescents.Methods:Cross-sectional data from 610 adolescents(14-18 years old)were used.Adolescents answered questions from the Center for Epidemiological Studies Depression scale and reported time spent watching videos,playing videogames,using social media,time spent in various physical activities,and daytime sleepiness.Wrist-worn accelerometers were used to measure sleep duration,sleep efficiency,sedentary time,and physical activity.Mixed-effects logistic regressions were used.Results:Almost half of the adolescents(48%)were classified as being at high risk for depression(score≥20).No significant associations were found between depressive symptoms and accelerometer-measured movement behaviors,self-reported non-sport physical activity,watching videos,and playing videogames.However,higher levels of self-reported total physical activity(odd ratio(OR)=0.92,95%confidence interval(95%CI):0.86-0.98)and volume of sports(OR=0.88,95%CI:0.79-0.97),in minutes,were associated with a lower risk of depression,while using social media for either 2.0-3.9 h/day(OR=1.77,95%CI:1.58-2.70)or>3.9 h/day(OR=1.67,95%CI:1.10-2.54),as well as higher levels of daytime sleepiness(OR=1.17,95%CI:1.12-1.22),were associated with a higher risk of depression.Conclusion:What adolescents do when they are active or sedentary may be more important than the time spent in the movement behaviors because it relates to depressive symptoms.Targeting daytime sleepiness,promoting sports,and limiting social media use may benefit adolescents. 相似文献
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The present study examined phoneme awareness, phonological short term memory, letter knowledge, rapid automatized naming (RAN), and visual–verbal paired associate learning (PAL) as longitudinal predictors of spelling skills in an early phase (Grade 2) and a later phase (Grade 5) of development in a sample of 140 children learning to spell in the opaque Danish orthography. Important features of the study were the inclusion of PAL measures and the fact that the children were followed up to Grade 5. Findings from other orthographies were replicated, in that phonological processing (awareness and memory) and RAN accounted for unique variance in early spelling skills. For later spelling skills, Grade 2 spelling was by far the most powerful predictor. PAL-nonwords was the only measure to explain additional unique variance. It is suggested that PAL-nonwords taps the ability to establish representations of new phonological forms and that this ability is important for the acquisition of orthographic spelling knowledge. 相似文献
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Damsgaard Linn Nielsen Anne-Mette Veber Gejl Anne Kær Malling Anne Sofie Bøgh Jensen Søren Kildahl Wienecke Jacob 《Educational Psychology Review》2022,34(3):1709-1737
Educational Psychology Review - The aim of this study was to investigate the effects of embodied learning on children’s pre-reading and word reading skills. We conducted a three-armed... 相似文献
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