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11.
A vast literature has documented the inverse association between educational attainment and U.S. adult mortality risk but given little attention to identifying the optimal functional form of the association. A theoretical explanation of the association hinges on our ability to describe it empirically. Using the 1979–1998 National Longitudinal Mortality Study for non-Hispanic white and black adults aged 25–100 years during the mortality follow-up period (N = 1,008,215), we evaluated 13 functional forms across race-gender-age subgroups to determine which form(s) best captured the association. Results revealed that the preferred functional form includes a linear decline in mortality risk from 0 to 11 years of education, followed by a step-change reduction in mortality risk upon attainment of a high school diploma, at which point mortality risk resumes a linear decline but with a steeper slope than that prior to a high school diploma. The findings provide important clues for theoretical development of explanatory mechanisms: an explanation for the selected functional form may require integrating a credentialist perspective to explain the step-change reduction in mortality risk upon attainment of a high school diploma, with a human capital perspective to explain the linear declines before and after a high school diploma.  相似文献   
12.
Although a number of studies have uncovered evidence of age differences in religious involvement across the life course, there has been a lack of long-term longitudinal data to test the extent to which these differences are due to changes within individuals over time. This study tracks trajectories of change in religious service attendance using data collected longitudinally over the course of up to 34 years, between 1971 and 2005, and in ages ranging from 15 to 102. Piecewise growth curve modeling was used to examine changes in the patterns of age-related change in three distinct developmental periods: the transition from adolescence to young adulthood, middle adulthood, and older adulthood. Attendance showed an average pattern of quadratic decline in adolescence, stability in middle adulthood, and a quadratic pattern of more rapid increase followed by decrease over the course of older adulthood. These results suggest that developmental factors play a role in changing patterns of religious participation across the adult life course, and may account for some of the apparent differences between age groups.  相似文献   
13.
In this article, we examine changes in life expectancy free of disability using longitudinal data collected from 1984 through 2000 from two cohorts who composed the Longitudinal Studies of Aging I and II. Life expectancies with and without ADL and/or IADL disability are calculated using a Markov-based multistate life table approach. At age 70, disability-free life expectancy increased over a 10-year period by 0.6 of a year in the later cohort, which was the same as the increase in total life expectancy, both increases marginally statistically significant. The average length of expected life with IADL and ADL disability did not change. Changes in disability-free life expectancy resulted from decreases in disability incidence and increases in the incidence of recovery from disability across the two survey cohorts. Age-specific mortality among the ADL disabled declined significantly in the later cohort after age 80. Mortality for the IADL disabled and the nondisabled did not change significantly. Those with ADL disability at age 70 experienced substantial increases in both total life expectancy and disability-free life expectancy. These results indicate the importance of efforts both to prevent and delay disability and to promote recovery from disability for increasing life expectancy without disability. Results also indicate that while reductions in incidence and increases in recovery work to decrease population prevalence of disability, declining mortality among the disabled has been a force toward increasing disability prevalence.  相似文献   
14.
Organisations providing human services are under increasing pressure to demonstrate quality from a range of sources such as new legislation and new requirements for government funding. Four dimensions for examining quality, derived from program evaluation theory, illustrated some of the contradictions surrounding these expectations. The research used a qualitative and grounded approach to exploring clients', volunteers' and coordinators' notions of quality service. The clients' and volunteers' perceptions of quality were highly experiential, related to the specific context and focussed on strong trusting personal relationships. Clients were also very conscious of their lack of power. Coordinators used a combination of approaches to try to satisfy the demands of clients, volunteers and bureaucracy.  相似文献   
15.
The rational choice theory of crime and its cognate field of study, situational crime prevention, have exerted a considerable influence in criminal justice policy and criminology. This article argues that, while undeniably useful as a means of reducing property or acquisitive crime, rational choice‐inspired situational crime prevention initiatives are limited when it comes to offering protection against a growing number of so‐called ‘expressive crimes’. Developing this critique, the article will criticize the sociologically hollow narrative associated with rational choice theories of crime by drawing on recent research in social theory and consumer studies. It argues that the growing tendency among many young individuals to engage in certain forms of criminal decision‐making ‘strategies’ may simply be the by‐product of a series of subjectivities and emotions that reflect the material values and cultural logic associated with late modern consumerism.  相似文献   
16.
Using a life course framework, we examine the early life origins of the race gap in men's all-cause mortality. Using the National Longitudinal Survey of Older Men (1966-1990), we evaluate major social pathways by which early life conditions differentiate the mortality experiences of blacks and whites. Our findings indicate that early life socioeconomic conditions, particularly parental occupation and family structure, explain part of the race gap in mortality. Black men's higher rates of death are associated with lower socioeconomic standing in early life and living in homes lacking both biological parents. However these effects operate indirectly through adult socioeconomic achievement processes, as education, family income, wealth, and occupational complexity statistically account for the race gap in men's mortality. Our findings suggest that policy interventions to eliminate race disparities in mortality and health should address both childhood and adult socioeconomic conditions.  相似文献   
17.
SG Mattar  RJ Macdonald  EU Choo   《Omega》1992,20(5-6)
Two case studies illustrate multicriteria decision making techniques frequently used in procurement practice: least-cost sufficient performance and weighted utility optimization. Both techniques have defects and are rarely robust. Decision by exclusion and pairwise comparisons is proposed as a third approach which eliminates inferior alternatives by generalized forms of minimum performance requirements established under multicriteria framework. It is more robust and maintains high level of accountability.  相似文献   
18.
Recent changes in older men's retirement patterns are investigated for the United States. The results show that labor force incumbents, particularly those in secondary occupations, experienced increases in the volume of both retirement and reentry to the labor force. In addition, although working life expectancy remained relatively stable across occupations, men in secondary occupations spent increasingly greater portions of their work lives in postretirement jobs. Finally, large increases in nonworking life expectancy occurred because of substantial increases in life expectancy. In several occupations, however, declines in working life expectancy were major contributors to increases in nonworking life expectancy.  相似文献   
19.
Recent changes in Australia, such as the new public management and national competition policy, have affected the way that human services are provided and have complicated the role of volunteer coordinators. However, because volunteers are free to choose their level of contribution, it is the volunteers' perspective that is the ultimate yardstick against which their coordination is assessed. The aim of the research examined here was a deeper understanding of women volunteers' and their coordinators' views of their work. The research was conducted within a qualitative paradigm, employing individual and focus group interviews. The analysis identified eight areas of concern for volunteers around their management. The analysis of the coordinators' interviews revealed three coordination styles—horizontal, nurturing, and managerial—of which the managerial was most in conflict with the volunteers' perspective.  相似文献   
20.
Historically, the rate of black homeownership has been low compared to nonblacks. The purpose of this study is to assess the extent to which levels of black homeownership are determined by selected social factors and racial discrimination. The findings reveal that blacks are less likely to be homeowners in nearly every sociodemographic category. The one exception is the finding that elderly blacks are more likely than blacks and nonblacks in all other age categories to be homeowners.  相似文献   
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