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151.
 In this paper, we extend the axiomatic analysis of equitable opportunities developed in Kranich [6] from finite to continuous opportunity sets. This extended framework is amenable to economic applications. The main results establish conditions under which an ordinal ranking of profiles of opportunity sets can be represented by a cardinal advantage function which describes both the extent of inequality and the distribution of advantage among the agents. Received: 3 November 1993/Accepted: 18 December 1995  相似文献   
152.
This article proposes a tentative framework to support empirical analysis of portfolios as pedagogical tools for formative and summative assessment in higher education. It aims to get a deeper understanding of the role of the portfolio in student learning both as a tool and as representations of this tool. To that end, we use three sets of theoretical ideas: Wartofsky's conceptualization of perception through the creation of artifacts, actor-network theory, and Wertch's notions of internalization, appropriation and mastery. This article is meant to complement current portfolio research with an original approach that addresses explicitly epistemological questions and concepts like learning and knowledge and explores possible avenues for analyzing and understanding portfolios as artifacts and tools in learning activities.  相似文献   
153.
This study examined the impact of television program sexual content and explicit sexual advertisement content on memory for advertisements. Eighty-two French participants, aged 18 to 48 years, watched either a sexual program (Sex and the City) or a nonsexual program (Friends), with three sexual and three nonsexual adverts embedded within it. They then completed free- and cued-recall questionnaires testing their memory of the advertisements, as well as a gender identity scale. Overall, sexual advertisements were recalled (in free recall) better than nonsexual advertisements. Participants were found to recall adverts significantly better within the nonsexual program than within the sexual program. No interaction was found between program type and advertisement type: Sexual adverts were recalled better than nonsexual adverts within both programs. Males and females recalled sexual adverts equally, with no mediating effect of gender identity. Implications and limitations of the study are discussed.  相似文献   
154.
155.
This article explores the question of style in a school community, through negation use among the adults and children in a French preschool. Thirteen adults and 61 pupils aged 3–6 years were followed over a period of 2.5 years. The findings draw on a corpus of oral data collected in an unsupervised manner and comprising almost 640,000 transcribed words (428,100 for the children and 210,241 for the adults). The findings show, on the one hand, that the teachers adapt stylistically to their interlocutors and that their professional stance leads to more formal speech and, on the other hand, that the children's use of bipartite negation is marginal before the age of 6 years and does not present notable stylistic variations.  相似文献   
156.
Adolescence is a peak period for risk-taking, but research has largely overlooked positive manifestations of adolescent risk-taking due to ambiguity regarding operationalization and measurement of positive risk-taking. We address this limitation using a mixed-methods approach. We elicited free responses from contemporary college students (N = 74, Mage = 20.1 years) describing a time they took a risk. Qualitative analysis informed the construction of a self-report positive risk-taking scale, which was administered to a population-based sample of adolescents (N = 1,249, Mage = 16 years) for quantitative validation and examination of associations with normative and impulsive personality. Sensation seeking predicted negative and positive risk-taking, whereas extraversion and openness were predominantly related to positive risk-taking. Results provide promising evidence for a valid measure of adolescents' engagement in positive risks.  相似文献   
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