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71.
Inmaculada M. García–Sánchez Marjorie Faulstich Orellana Megan Hopkins 《Multicultural Perspectives》2013,15(3):148-154
In this article Abraham Lincoln is considered as an alternative to the usual type of patriot's hero. He reminds us of our great historical failings. He remains a figure of controversy, a national hero in only some corners of society. He is the heroic President who serves as the first compassionate defender of the downtrodden, and he is a hero in those subcultures as well. Lincoln's treatment in the movies is discussed, focusing particularly on the recent movie Lincoln. Lincoln is seen as a match for the usual movie hero. His famous immunity to casual treatment in popular culture is discussed as well. 相似文献
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According to Allport's (1954) model of socialization of prejudice the level of prejudice of parents and their offspring should co-vary due to the offspring's adaptation to the parents’ attitudes. Available empirical studies and literature reviews support Allport's assumption. Modern models of socialization give reason to extend Allport's unidirectional influence model to a bidirectional perspective which assumes that parents influence their offspring's attitudes and are simultaneously influenced by them. In a cross-sectional study, 408 parent–offspring dyads (64% female parents, 55% female offspring, mean age of children = 16.47 years, SD 1.87, parents = 42.08 years, SD 7.08) from the ethnic majority population in Costa Rica were asked about their prejudice towards immigrants and ethnic minorities in Costa Rica. Using structural equation modelling, unidirectional and bidirectional models of prejudice determination were tested. The data clearly support the unidirectional model of prejudice transmission from parents to offspring, even if moderator effects of sex, age, and importance of contact are taken into account. 相似文献
75.
André Revuz 《Educational Studies in Mathematics》1968,1(1-2):31-36
Sans résumé 相似文献
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Jos.P. Frizell 《Journal of The Franklin Institute》1877,104(3):193-198
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The aims of this study were twofold: (1) to determine whether open feedback (i.e. the ability to hear or see the scores of colleague judges after each performance) would lead judges in gymnastics to conform with their colleagues, and (2) to identify the underlying process on which this conformity is based. Twenty-three certified Flemish judges in women's gymnastics were randomly divided into panels of a maximum of five judges. These panels had to rate the same 30 videotaped individual vaults: 15 in phase 1 and 15 in phase 2. Two independent variables were orthogonally manipulated: feedback (or no feedback) during phase 1 and feedback (or no feedback) during phase 2. The results of phase 1 revealed that the variation between the judges' scores was less within panels that had received feedback than within panels that had not received feedback. We therefore conclude that the availability of feedback elicits conformity among gymnastic judges. The results of phase 2 indicated that this conformity continued even when feedback was no longer provided, suggesting that the observed conformity was based on informational influencing (i.e. because of uncertainty about the correct responses) and not on normative influencing (i.e. out of fear of standing out in the group). 相似文献
79.
The aims of this study were to investigate the energy build-up and dissipation mechanisms associated with using an arm swing in submaximal and maximal vertical jumping and to establish the energy benefit of this arm swing. Twenty adult males were asked to perform a series of submaximal and maximal vertical jumps while using an arm swing. Force, motion and electromyographic data were recorded during each performance and used to compute a range of kinematic and kinetic variables, including ankle, knee, hip, shoulder and elbow joint powers and work done. It was found that the energy benefit of using an arm swing appears to be closely related to the maximum kinetic energy of the arms during their downswing, and increases as jump height increases. As jump height increases, energy in the arms is built up by a greater range of motion at the shoulder and greater effort of the shoulder and elbow muscles but, as jump height approaches maximum, these sources are supplemented by energy supplied by the trunk due to its earlier extension in the movement. The kinetic energy developed by the arms is used to increase their potential energy at take-off but also to store and return energy from the lower limbs and to "pull" on the rest of the body. These latter two mechanisms become more important as jump height increases with the pull being the more important of the two. We conclude that an arm swing contributes to jump performance in submaximal as well as maximal jumping but the energy generation and dissipation sources change as performance approaches maximum. 相似文献
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