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771.
Damian Scarf Sarah Kafka Jill Hayhurst Kyungho Jang Mike Boyes Ruth Thomson 《Journal of Adventure Education & Outdoor Learning》2018,18(2):165-175
A number of recent studies have revealed that taking part in a sail-training-based Adventure Education Programme elevates youths’ self-esteem. Across two studies, we sought to examine the extent to which youths’ sense of belonging contributed to this increase in self-esteem. Study 1 revealed that participants who completed the voyage showed an increase in self-esteem from the first to the last day of the voyage. Partial correlation revealed that group belonging made a unique contribution to this change. Study 2 replicated Study 1 and, further, demonstrated that the relationship between group belonging and self-esteem was not a function of self-efficacy or group esteem. Such findings suggest that an important contributing factor to the benefits of sail-training interventions is their potential to satisfy psychological needs, in this case the need to belong. 相似文献
772.
Justin Durandt Mervin Green Herman Masimla Mike Lambert 《Journal of sports sciences》2018,36(5):477-484
The purpose of this study was to determine whether there are differences between racial groups for body mass, stature and body mass index (BMI) in South African elite U18 rugby players and whether there were significant changes in these measurements between 2002 and 2012. Self-reported body mass and stature were obtained from U18 players (n = 4007) who attended the national tournament during this period. BMI was calculated for each player.White players were 9.8 kg heavier than black players, who were 2.3 kg heavier than coloured players (P < 0.0001). The body mass of all groups increased from 2002 to 2012 (P < 0.0001). White players were 7.0 cm taller than black players who were 0.5 cm taller than coloured players (P < 0.0001). Players’ stature measurements did not change significantly during the study period. The average BMI of white players was 0.9 kg·m?2 greater than black players who were on average 0.7 kg·m?2 greater than coloured players (P < 0.0001). The BMI of all groups changed similarly over the study period. The body mass, stature and BMI of elite under-18 rugby players in South Africa were significantly different between racial groups. This has implications for transforming the game to make it representative of the South African population. 相似文献
773.
Mike Milford 《Sport in History》2018,38(1):96-117
The story of Jesse Owens has become one of the dominant sports narratives of the twentieth century. The compelling visual record of his performance at the 1936 Berlin Olympics has been used to argue for a number of political and social causes. What is particularly fascinating about the images of Owens’s win is the ways in which it functioned for diametrically opposing ideological viewpoints. The story behind the footage reveals an interesting confluence of history and visual rhetoric. This essay considers how the Owens footage was put to work as both an example of American exceptionalism in one case and a transcendent appeal designed to mitigate the stigma of Nazi ideology in another. The principles of visual rhetoric elucidate the ways in which imagery like the Owens footage is purposefully packaged to portray these types of messages. 相似文献
774.