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131.
In stark contrast to the robust social safety nets found in many developed nations around the world, the modern American welfare state is increasingly operated by a variety of non-governmental actors and voluntary organizations. The operation of this welfare regime depends on the discretionary decisions of street-level bureaucrats. As street-level bureaucrats confront new circumstances, their discretionary decisions change. Normative institutionalism and the concept of bricolage are used to explore how discretionary decisions change within an organizational role in the context of a voluntary organization. Understanding this process of bricolage sheds light on the decision-making processes of street-level bureaucrats, explains how behavior in an organizational role shifts over time, and points to the dynamic nature of institutions. We present an in-depth qualitative study of the emergency food network in Oregon as a critical case to illustrate this argument.  相似文献   
132.
The Chicago school reforms have received significant national attention due to their sweeping, radical nature. Growing out of state legislation in 1988 and 1995, the reforms encompass a powerful bottom-up/top-down strategy that provides multiple avenues for initiating building-level changes in teaching and learning. We offer a provisional answer concerning the effects of these reforms by comparing the 1993–1998 performance of Chicago's grammar schools with all other grade-equivalent schools in the State of Illinois. We find city schools making major gains over the last three years. Regression residuals show that Chicago's schools now significantly outperform Cook County suburban schools and schools in the rest of the state after controlling for rates of poverty and student mobility. While schools placed on probation have predominantly African American and low-income student bodies, rates of improvement among schools as a whole appear to be equitably distributed across the city neighborhoods. We close with several policy recommendations, one of which focuses on the potential for major goal displacement as a result of the reform board's criterion for determining the probationary status of schools.  相似文献   
133.
Existing research in small-area demographic forecasting suffers from two important limitations: (1) a paucity of studies that quantify patterns of error in either total or age/sex-specific estimates and (2) limited methodological innovation aimed specifically at improving the accuracy of such forecasts. This paper attempts to fill, in part, these gaps in existing research by presenting a comparative evaluation of the accuracy of standard and spatially-weighted Hamilton–Perry forecasts for urbanized census tracts within incorporated New Mexico municipalities. These comparative forecasts are constructed for a 10-year horizon (base 1 April 2000 and target 1 April 2010), then compared to the results of the 2010 Census in an ex post facto evaluation. Results are presented for the standard Hamilton–Perry forecasts as well as two sets that incorporate two common variants of spatial weights to improve forecast accuracy. Findings are discussed in the context of what is currently known about error in small-area demographic forecasts and with an eye toward continued innovations.  相似文献   
134.
Small-area population estimates are often made using geocoded address data in conjunction with the housing-unit method. Previous research, however, suggests that these data are subject to systematic incompleteness that biases estimates of race, ethnicity, and other important demographic characteristics. This incompleteness is driven largely by an inability to complete georeference address-based datasets. Given these challenges, small-area demographers need further, and to date largely unavailable, information on the amount of error typically introduced by using incompletely geocoded data to estimate population. More specifically, we argue that applied demographers should like to know if these errors are statistically significant, spatially patterned, or systematically related to specific population characteristics. This paper evaluates the impact of incomplete geocoding on accuracy in small-area population estimates, using a Vintage 2000 set of block-group estimates of the household population for the Albuquerque, NM metro area. Precise estimates of the impact of incomplete geocoding on the accuracy of estimates are made, associations with specific demographic characteristics are considered, and a simple potential remediation based on Horvitz-Thompson theory is presented. The implications of these results for the practice of applied demography are reviewed.  相似文献   
135.
This article examines the Islamization of suburban space in southeast England. Its microgeographies of racialization challenge binary either/or logic, favoured by ‘mosque conflict’ approaches and instead demonstrate how residents’ negotiations are channelled through everyday both/and logic rooted in multiplicity and indeterminacy. A key element in negotiations is the ‘sometimes quality’ of the ‘Islamic Centre’ that allows it to be both a ‘mosque’ and ‘not-a-mosque’. Moreover, each of the differently positioned residents shows uneven discursive capacities for identity, belonging and community in relation to the Islamization of suburban space, and each is afforded differential empowerment and capabilities under social discourses of ‘multiculturalism’ and ‘tolerance’. In examining these microgeographies of racialization, this paper also extends representational accounts of lived experiences surrounding the Islamization of space by attending to affect, emotion and materiality. To do so, the notion of ‘discursive assemblage’ is developed.  相似文献   
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This article reexamines, in historical context, the “problem of order” and change in sociological theory in the light of the findings of Chaos Theory. The value of this new perspective is that order and disorder, order and change, are no longer presented as irreconcilable opposites but as dimensions of the same process. Order generates chaos, and chaos generates order. These ideas are linked into a holistic perspective in which “centriphery” is seen as an attractor that accounts for order and change in human social life and entropy as an equal partner to information/energy in the creative thrust of human social life.  相似文献   
139.
Summary.  A controversial topic in obstetrics is the effect of walking on the probability of Caesarean section among women in labour. A major reason for the controversy is the presence of non-compliance that complicates the estimation of efficacy, the effect of treatment received on outcome. The intent-to-treat method does not estimate efficacy, and estimates of efficacy that are based directly on treatment received may be biased because they are not protected by randomization. However, when non-compliance occurs immediately after randomization, the use of a potential outcomes model with reasonable assumptions has made it possible to estimate efficacy and still to retain the benefits of randomization to avoid selection bias. In this obstetrics application, non-compliance occurs initially and later in one arm. Consequently some parameters cannot be uniquely estimated without making strong assumptions. This difficulty is circumvented by a new study design involving an additional randomization group and a novel potential outcomes model (principal stratification).  相似文献   
140.
This study investigates how the option for new-concept part-time work influences the ability of mothers of preschool children working in professional occupations to successfully integrate work and family responsibilities while maintaining career opportunities. Data are from a subset of the 1996 IBM Work and Life Issues Survey in the United States (n = 687). Compared to their counterparts who worked full time, mothers who worked in these part-time positions reported significantly greater work-family balance and did not report significantly less career opportunity. The part-time group reported 47% fewer work hours and 41% lower income than the full-time group. These data support the notion that new-concept part-time work is a viable option to assist women in professional careers to successfully integrate their family career. Implications of these findings are presented.  相似文献   
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