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It has been shown that practice in dyads, as compared to individual practice, can enhance motor learning and increase the efficiency of practice (as two participants can be trained at the same time; Shea, Wulf, & Whitacre, 1999). The dyad practice protocol used by Shea et al. included both observation and dialogue between partners. Thus, it was not clear whether the learning benefits of dyad practice were due to observation, dialogue, or both. The present study examined the individual and interactive effects of observation and dialogue. The task used was speed cup stacking. Participants practiced under one of four conditions: observation/dialogue, observation/no dialogue, no observation/dialogue, and no observation/no dialogue. The two conditions that included observational practice were more effective (i.e., produced faster movement times) than the two conditions without it, both during practice and on a retention test performed under individual performance conditions. This suggests that the learning advantages of dyad practice are primarily due to the opportunity to observe another learner.  相似文献   
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Abstract

The purpose of this paper is to outline some new developments in a mature research program that sees administrative theory as cohering with natural science and uses a coherence theory of epistemic justification to shape the content and structure of administrative theory. Three main developments are discussed. First, the paper shows how to deal with the evaluation of theories (of, say, leadership) where there is a demand that a theory needs to be context relevant, but also comprehensive. The solution is to allow context to determine the scope of comprehensiveness. Second, the paper develops an argument structure employing a coherentist epistemology for how ethical claims can be incorporated into administrative theories. Finally, the paper, drawing on research in neuroscience, argues for the relevance of emotion in rational decision-making. Contrary to the belief that emotion compromises rationality, the paper argues that it is essential for rationality.  相似文献   
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In Germany, age and readiness for school are still the main criteria for school entry decisions. As a result some children start school earlier or later than scheduled. Since the 1970s it is well known that school entries not according to the cut-off date are coupled with the social and ethnic family background of these children and result in differential school careers. Thus an early or delayed school entry may be seen as the starting point of cumulative educational inequalities. New results from three series of interviews with parents, Kindergarten teachers, and school headmasters being part of the longitudinal study BiKS (“Bildungsprozesse, Kompetenzentwicklung und Selektionsentscheidungen im Vor- und Grundschulalter”, educational processes, competence development and selection decisions in pre- and primary school age) now reveal how these decisions develop. One of these qualitative studies is dedicated to school entry decisions in families with Turkish migration background. It is concluded that especially two measures can reduce these early inequalities: (1) better information for the parents and (2) early preventive support for all children making delayed school entries no more necessary.  相似文献   
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Graduates of vocational training with or without an exit qualification from the German lower secondary school called ??Hauptschule?? have an above-average chance of being unemployed at the next level. Using a data set which includes both school exit qualifications and the marks from vocational training, we show that this increased probability of unemployment can be explained by the enduring stigmatization of graduating school with a low qualification level and by weaker performance in the final examination from vocational training. This leads to additive disadvantages at the next stage in a young person??s career. The attainment of a vocational qualification is, therefore, an insufficient basis for successful entry into the labor market. At a stage, when their integration into the labor market appears to have been secured??despite a problematic start?Cthese youths are, in fact, confronted with an increased risk of unemployment and a precarious start in their working career.  相似文献   
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To improve on the classic school trip to the museum and the traditional distinctions between formal and informal learning, every year we run a project where the schools (first the teachers and then the pupils) are actively involved right from the very first stages of planning. The various projects realised so far involve schools with children of different age levels, from kindergarten to high school, and aim to provide a rewarding museum experience for each level. The various phases of each project follow a timeline where the specific roles of each group of actors is set out. All our projects rely extensively on history of science, but in a number of ways: using primary and secondary sources, museum exhibitions, multimedia and hands-on reconstructions of historical experiments. We mix all these resources together to offer a historical route suitable to the various age groups. Creative analogical thinking, iconographic similarities and coincidences between the scientific and artistic domains are encouraged especially with children from 3 to 13 years old. These comparisons become pretexts for analysis, reflection and creative production also at the graphic level. In this paper we outline our methodology in the specific case of a laboratory and exhibition experience built around the person and work of Galileo. One of the results has been the involvement of the pupils in a new, unexpected emotional experience.  相似文献   
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