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11.
S. Marie Harvey Isaac Washburn Lisa Oakley Jocelyn Warren Diana Sanchez 《Journal of sex research》2017,54(4-5):665-676
Condoms protect against human immunodeficiency virus (HIV)/sexually transmitted infections (STIs) and unintended pregnancy and are essential to sexual health efforts targeting young adults, who are disproportionately affected by both outcomes. Understanding condom use motives is critical to increasing condom use. Research in this area is limited, particularly regarding the roles of partners and relationship factors. Using a longitudinal sample of 441 young adults and 684 reported partnerships we examined associations between relationship factors and condom use motives (pregnancy prevention, disease prevention, or dual protection). Simultaneous multilevel models identified variables associated with motives; level-specific models identified the levels (individual, partnership, time) variables impacted motives. Participants reported choosing condoms for pregnancy prevention, disease prevention, and dual protection in 51%, 17%, and 33% of partnerships, respectively. Partner-specific factors varied, to a differing degree, across the three levels. Seven variables (duration, condom self-efficacy, commitment, sexual decision-making, power, and vulnerability to harm [HIV/STIs] and pregnancy) distinguished condom use motives. The level of this association varied but was most pronounced at the partner and individual levels. Researchers and practitioners should consider the impact of both individual- and partner-level factors on condom use motives, in both research and sexual health programs. 相似文献
12.
S. T. A. Pickett M. L. Cadenasso E. J. Rosi-Marshall K. T. Belt P. M. Groffman J. M. Grove E. G. Irwin S. S. Kaushal S. L. LaDeau C. H. Nilon C. M. Swan P. S. Warren 《Urban Ecosystems》2017,20(1):1-14
Urban areas are understood to be extraordinarily spatially heterogeneous. Spatial heterogeneity, and its causes, consequences, and changes, are central to ecological science. The social sciences and urban design and planning professions also include spatial heterogeneity as a key concern. However, urban ecology, as a pursuit that integrates across these disciplines, lacks a theoretical framework that synthesizes the diverse and important aspects of heterogeneity. This paper presents the concept of dynamic heterogeneity as a tool to explore how social and ecological heterogeneities interact and how they together act as both an outcome of past interactions and a driver future heterogeneity and system functions. To accomplish this goal, we relate heterogeneity to the fundamental concept of the human ecosystem. The human ecosystem concept identifies key processes that require operationalized models of dynamic heterogeneity in three process realms: the flow of materials, the assembly of urban ecosystem biota, and the locational choices humans make concerning land. We exemplify a specific dynamic model of heterogeneity in each of these realms, and indicate a range of complementary statistical approaches to integrate the drivers and outcomes of dynamic heterogeneity across the three realms. We synthesize a hierarchical framework for a theory of dynamic urban heterogeneity, noting its complementarity to other major urban theories and general model approaches. We hypothesize that human actions and structures amplify the dynamics of heterogeneity in urban systems. 相似文献
13.
The estimated effect of any factor can be highly dependent on both the model and the data used for the analyses. This article presents an example of the estimated effect of one factor in two different data sets under three different forms of the standard linear model using the effect of track placement on achievement as an example. Some relative advantages and disadvantages of each model are considered. The analyses demonstrate that, given collinearity among the predictor variables, a model with a poorer statistical fit may be useful for some interpretive purposes. 相似文献
14.
This study of communication in an Assisted Living Facility (ALF) focuses on staff's interpretive frameworks and situational tactics for managing elderly residents. It is based on interviews with staff and residents in an ALF together with ethnographic fieldwork. As in other quasi-total institutions, staff members engage in control as well as care, monitoring residents for compliance with rules and directives. Residents, aware of the threat of being moved to a nursing home, also monitor their own behavior and cognition in comparison to other residents. Other communication issues include the infantilization of the elderly by staff, and the race, class, and ethnic prejudices of residents. 相似文献
15.
This article presents the results of an AIDS-sponsored investigation of teaching effectiveness in the decision sciences. Two national samples were employed in the study: a sample of 247 business school deans and a sample of 3,292 students from 32 different business schools. Included among the findings are that 87 percent of the deans responding indicate they require some sort of faculty teaching effectiveness evaluation, and that great care must be exercised when interpreting student ratings of an individual instructor's teaching effectiveness. 相似文献
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Leanne D Warren 《Culture and Organization》2013,19(2):327-353
This study considers how the work of an amateur orchestra creating a concert performance of a Haydn's concerto is organized by the musical score. The method of inquiry which places the text in the centre of the analysis explores how the surrounding social relations and discourses are carried into an actual work-in-progress; in this process, the score is a link between the macro level of musical discourse embodied in other texts, the related macro level of performance history, and the micro level of individual performance, finally connecting the individual work of actual composers to the exposition of that work. The study furthers existing ethnomethodological and phenomenological examinations of orchestral performance by exposing some of the relations underlying the taken-for-granted ‘common ground’ of the score. 相似文献
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Religious preference at several points in the life cycle is examined with regard to its affect on socioeconomic achievement and with regard to how religious preference is influenced by education, occupation, and income. The importance of considering the several major denominations separately instead of as a single category is demonstrated. When this is done Jews, Presbyterians, and Episcopalians have above average socioeconomic achievements; Methodists and Catholics are near the mean; and Baptists are below the average. Controlling for social origins and early achievements greatly attenuates the differences, but does not remove them with regard to education and income. 相似文献
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