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721.
In this study, we examined the relationships between intrinsic motivation, physical self-concept, and satisfaction with life using cross-lagged panel models analysed via structural equation models. The sample consisted of 293 participants (148 men, 145 women) aged 18-70 years who performed diverse types of physical exercise. Three alternative models were tested. The data were better represented by a model in which physical self-concept mediates the relationships between intrinsic motivation and satisfaction with life. Specifically, the direct effects of intrinsic motivation on physical self-concept, and of physical self-concept on satisfaction with life were significant, with the amount of explained variance increasing over time. In conclusion, people who perform physical exercise regularly, and who have fun over time will tend to have a better physical self-perception and, consequently, more psychological well-being.  相似文献   
722.
If freedom of information is fundamental to contemporary democracy, why have democratic countries differed so markedly in their willingness to pass laws enshrining formal rights of access to government files? This article demonstrates that an analysis grounded in comparative political economy can provide a compelling answer to this question. Specifically, it demonstrates that the more highly coordinated a country's economy, the less transparent it is likely to be. Through a comparison of the United States and Germany, this article argues that in coordinated market economies, ongoing negotiations between the state and the peak representative bodies provide privileged access to information about the government, and indeed privileged channels of influence over government action. Public access to official files threatens this privileged access. In less coordinated economies, however, firms lack this privileged access; they are likely to favor access laws as a partial substitute, especially since such laws are more consistent with the highly fragmented and competitive environment in which they operate. By further comparing Sweden and the United Kingdom, it also demonstrates the limits of this explanation, suggesting that historical sequences and classic political variables should also be taken into account.  相似文献   
723.
Tiago Mata  Tom Scheiding 《Minerva》2012,50(4):423-449
Research in the social sciences received generous patronage in the late 1960s and early 1970s. Research was widely perceived as providing solutions to emerging social problems. That generosity came under increased contest in the late 1970s. Although these trends held true for all of the social sciences, this essay explores the various ways by which economists in particular reacted to and resisted the patronage cuts that were proposed in the first budgets of the Reagan administration. Economists?? response was three fold: to engage in joint lobbying with other social scientists, to tap into their authority as a respected policy player, and to influence the types of research financed by the patron. With interviews of the former lobbyist for the social scientists, the former director of the Economics program for the National Science Foundation, and a review of the archival records of economists and their scholarly society, we discuss how economists have claimed entitlement to patronage in the closing decades of the twentieth century. We observe a dynamic and productive relationship between politicians and researchers mediated by the National Science Foundation, where civil servants, lobbyist and public minded scientists, and self-serving grantees trade roles.  相似文献   
724.
The study was designed to investigate the extent to which expectancies and performance of emotionally handicapped children could be altered by success- or failure-induced experiences. Students were randomly assigned to either of two experimental conditions during five trials of a guessing task. Immediately following the initial experience, all children were asked to estimate their expectancy of success on a novel learning task; students were then given a progressive matrix worksheet with ten problems which required adding and/or subtracting. It was hypothesized that those students in the success condition would have higher expectancies and actual performance scores than the children in the failure condition. It was further hypothesized that expectancy levels and performance scores would be related. An analysis of the results indicated that success and failure on a task were influential on subsequent expectancy estimates and performance; a discussion of these results is presented.  相似文献   
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Until recently, Australia's cricketing past has been coloured by an anglocentric bias. Australian cricket writers, players and administrators mainly have deemed Australian series with subcontinental countries of much lesser importance than Ashes contests. In surveying Australia's cricketing relations with the subcontinent from the 1880s until Australia's first fully fledged official tour of the region in 1959–1960, this paper seeks to redress this imbalance. The paper explores how initial cricketing relations were viewed within the prism of Australia's traditional cricketing ties with England. This did not alter with India's attaining official Test match status in the 1930s. Australian tours of India were confined to unofficial teams, and it was not until 1947–1948 that the first official exchange occurred. As this paper documents, the importance of subcontinental cricket tours increased after the war, as both Labor and Liberal Coalition governments encouraged the use of cricket to foster diplomatic ties at a time of increasing decolonisation and when Indian and Australian external relations were ideologically opposed. The governments' efforts were not fully supported by many Australian cricketers and administrators. While some, such as the Australian captain Ian Johnson, embraced cricketing diplomacy, many of his colleagues coloured these new cricketing worlds with old Australian prejudices.  相似文献   
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