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31.
Nora Broege Ann Owens † Anthony P. Graesch ‡ Jeanne E. Arnold ‡ Barbara Schneider 《Sociological methodology》2007,37(1):119-149
Two studies of working families are combined to demonstrate a strategy for producing reliable estimates from the combination of self-reported (large N) and observational (small N) data. Both studies examine where and how dual-career families spend time at home. The 500 Family Study is sociological and uses self-reported time diary data from a national sample; the CELF study is anthropological and uses observational scan sampling data from a regional sample of 32 families. The data are combined as if they constitute one sample, and an analytic solution for establishing the reliability of the resulting composite estimates of time use is provided. Merging the data sets provides validation for each study, neither of which is without potential methodological weaknesses. The advantages of combining data from the independent data collection methods are discussed, and selected substantive findings on families' activities are highlighted, illustrating similarities and differences between findings in the independent and combined data sets. Results show that working families spend significant time in a small spectrum of home spaces, particularly kitchens and living rooms, with leisure activities prevailing, but mothers, fathers, and children differ in where and how they spend their time. Overall, a template for merging data from different disciplines and methods is provided. 相似文献
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An important source of conflict surrounding nuclear energy is that with a very small probability, a large-scale nuclear accident may occur. One way to internalize the associated financial risks is through mandating nuclear operators to have liability insurance. This paper presents estimates of consumers' willingness to pay for increased financial security provided by an extension of coverage, based on the 'stated choice' approach. A Swiss citizen with median characteristics may be willing to pay 0.14 US cents per kwh to increase coverage beyond the current CHF 0.7 billion (bn.) (US$ 0.47 bn.). Marginal willingness to pay declines with higher coverage but exceeds marginal cost at least up to CHF 4 bn.(US$ 2.7 bn.). An extension of nuclear liability insurance coverage therefore may be efficiency-enhancing. 相似文献
34.
The receiver operating characteristic (ROC) curve is a graphical representation of the relationship between false positive and true positive rates. It is a widely used statistical tool for describing the accuracy of a diagnostic test. In this paper we propose a new nonparametric ROC curve estimator based on the smoothed empirical distribution functions. We prove its strong consistency and perform a simulation study to compare it with some other popular nonparametric estimators of the ROC curve. We also apply the proposed method to a real data set. 相似文献
35.
William DeJong PhD Beth DeRicco PhD Shari Kessel Schneider MSPH 《Journal of American college health : J of ACH》2013,61(4):307-316
Abstract Objectives: This exploratory study examined pre-event drinking, or pregaming, by US college students. Participants: 112 undergraduates from 10 Pennsylvania colleges participated. Method: A focus group, including a written questionnaire, was conducted at each institution. Results: Only 35.7% of the participants had not pregamed during the last 2 weeks. Pregamers consumed an average of 4.9 (SD = 3.1) drinks during their most recent session. Gender, class year, and other demographic variables did not predict pregaming. Heavier drinkers, and those stating that the average student pregamed 3+ times in the last 2 weeks, were more likely to report pregaming in the last 2 weeks. How much students drink when pregaming is influenced by how much they expect to drink later on. Conclusion: Pregaming presents a growing challenge for campus officials. Additional research is needed on the nature of the problem and which combination of prevention strategies might best address this behavior. 相似文献
36.
Ulrike Sabrina Krämer Prof. Dr. Gerald Schneider 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2003,55(1):55-78
The literature on fair division has experienced a renaissance recently. Novel mathematical procedures promising an envy-free, socially efficient solution to conflicts over nearly indivisible goods play a particularly prominent role. This article presents a comparative experimental evaluation of three procedures. We examine to what extent features of the subjects of the procedures influence the choice in favor of one of the three negotiation protocols and the results of the division. Our analysis of the behavior of 119 subjects shows that psychological factors only affect the procedural choice. Dominance-seeking individuals tend to opt for those procedures that promise a fairer outcome than the relatively crude divide-and-choose-mechanism. In contrast, the outcome of the bilateral negotiations is determined by the attributes of the procedures. The strong influence of psychological factors at the initial stage of the bargaining process nevertheless casts strong doubts on the practicability of the procedures, recommended by the normative strand of game-theoretic negotiation analysis. The further development of ”fair formulas” for the resolution of redistributive conflicts should not neglect that the warring parties have to agree with the philosophy of the proposed bargaining protocol. 相似文献
37.
Multidimensional empirical examinations of the adoption of innovations in organizations, and the influence of factors within each dimension on the phases of adoption, are scarce. This study examines the effects of environmental, organizational and top managers' characteristics on the initiation, adoption decision and implementation of innovation. Using a sample of approximately 1200 public organizations in the United States, we found that while each dimension accounts for unique variance in the adoption of innovation, organizational characteristics and top managers' attitudes toward innovation have a stronger influence than environmental and top managers' demographic characteristics. We also found no difference in the direction of effects of any antecedent, but did find differences in the significance of effects of several antecedents, on the phases of innovation adoption. We discuss the implications of these findings and suggest ideas for future research. 相似文献
38.
The Analysis of Verbal Behavior - 相似文献
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40.
Beth E. Schneider 《Sociological inquiry》1988,58(1):4-21
Most traditional work by political sociologists conceives of social movement activity and politics as pertaining only to the public world and political activity as inherently masculine. Women are virtually invisible in these accounts. That the nature of political and social change is shaped by the organization of gender is a fact obscured in the conceptualizations typically employed. One such concept is political generation. Virtually no scholarly work has been done to analyze women in terms of political generations. Political generations are taken as sex-neutral phenomena with no hint that the organization of politics is based in the social organization of gender. Indeed, perhaps the major assumption of generational analysis, that generations are formed during youth and its accompanying period of rebellion and change, has not been subject to sustained scrutiny; this model may well capture the male, but possibly not, the female experience. Nevertheless, the generational model might be usefully applied to an understanding of the growth and transformation of the women's movement. When women are put at the center of inquiry, the notion of political generations takes on new meanings, and it raises questions about who, how, and when social groups come to experience similar perceptions and understandings of reality. This analysis begins with a selective summary of the assumptions and directions of generational analysis in social science. Contemporary media use of generational analysis follows with an eye to the ways in which media representation has shaped some women's movement dialogue. Feminist generational thinking is explored as it attempts to account for the history of the women's movements in the nineteenth and twentieth centuries and for the relations of young and old in the contemporary movement. Possible directions for further research and reformulation are suggested. 相似文献