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101.
Finite first-order gambles are axiomatized. The representation combines features of prospect and rank-dependent theories. What is novel are distinctions between gains and losses and the inclusion of a binary operation of joint receipt. In addition to many of the usual structural and rationality axioms, joint receipt forms an ordered concatenation structure with special features for gains and losses. Pfanzagl's (1959) consistency principle is assumed for gains and losses separately. The nonrational assumption is that a gamble of gains and losses is indifferent to the joint receipt of its gains pitted against the status quo and of its losses against the status quo.Reprints may be obtained from either author. Luce's work was supported, in part, by the National Science Foundation grant IRI-8996149 to the University of California, Irvine. 相似文献
102.
Patterns of occupational mobility among Negro men 总被引:1,自引:0,他引:1
Otis Dudley Duncan 《Demography》1968,5(1):11-22
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We use data from the Indonesia Family Life Survey to investigate the impact of a major expansion in access to midwifery services on health and pregnancy outcomes for women of reproductive age. Between 1990 and 1998 Indonesia trained some 50,000 midwives. Between 1993 and 1997 these midwives tended to be placed in relatively poor communities that were relatively distant from health centers. We show that additions of village midwives to communities between 1993 and 1997 are associated with a significant increase in body mass index in 1997 relative to 1993 for women of reproductive age, but not for men or for older women. The presence of a village midwife during pregnancy is also associated with increased birthweight. Both results are robust to the inclusion of community-level fixed effects, a strategy that addresses many of the concerns about biases because of nonrandom program placement. 相似文献
106.
Sara Horsfall Cristian Alcocer C. Temple Duncan Jonathan Polk 《The Social Science Journal》2001,38(4):617-627
Euthanasia has become a subject of public debate and concern. Here we examine the views of euthanasia among students at an east Texas university. Roughly three-fourths are in favor of euthanasia -similar to the general public. Because the university is located in a conservative geographical area, this result suggests growing approval of the various forms of euthanasia and doctor assisted death. While no significant differences were found between the three student major groups -Liberal Arts, Science and Business, some demographic differences were found within the groups. Mainly, African American female Science majors are the most opposed to euthanasia whereas Caucasian male Science majors are the most in favor and the most likely to use a scientific definition of death. The views of the latter group contrast notably with practicing doctors who lag behind the public in their approval of euthanasia. Student views might reflect a cohort difference, a lack of professional experience, or a growing trend among medical practitioners. Liberal Arts majors are the most conservative of the three groups, indicating nonscientific reasons for opposition. Resistance to euthanasia is apparently associated with demographics and nonscientific reasoning. 相似文献
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Statistics and Computing - Profile likelihood confidence intervals are a robust alternative to Wald’s method if the asymptotic properties of the maximum likelihood estimator are not met.... 相似文献
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Duncan Shrewsbury 《Disability & Society》2015,30(1):87-100
Learners with disabilities remain under-represented in higher education and courses, such as medicine, that grant access to ‘the professions’. National and professional legislation, policy and guidance have changed over the last few decades in response to reforms in the way disability is viewed and valued by society. Principles of equal rights and equality of opportunity inform the negotiation of widened participation in the professions. However, drawing on the example of medical education, it is possible to see that widening participation agendas may be insensitive to the needs of learners with disabilities. Analysing the development of practice and policy from a participation perspective suggests that tokenism may have played a role in deprioritising the voices of individuals with disabilities, rendering policy disconnected from the needs of marginalised groups. The concept of participatory parity may provide an opportunity to readdress this misrepresentation. 相似文献
110.
Simon Duncan 《The Sociological review》2015,63(3):589-607
Recent research suggests that women can use living apart together (LAT) for a reflexive and strategic undoing of the gendered norms of cohabitation. In this article we examine this assertion empirically, using a representative survey from Britain in 2011 and follow‐up interviews. First, we find little gender differentiation in practices, expectations, or attitudes about LAT, or reasons for LAT. This does not fit in with ideas of undoing gender. Secondly, in examining how women talk about LAT in relation to gender, we distinguish three groups of ‘constrained’, ‘strategic’ and ‘vulnerable’ female interviewees. All valued the extra space and time that LAT could bring, many welcomed some release from traditional divisions of labour, and some were glad to escape unpleasant situations created by partnership with men. However, for the constrained and vulnerable groups LAT was second best, and any relaxation of gendered norms was seen as incidental and inconsequential to their major aim, or ideal, of the ‘proper family’ with cohabitation and marriage. Rather, their agency in achieving this was limited by more powerful agents, or was a reaction to perceived vulnerability. While the strategic group showed more purposeful behaviour in avoiding male authority, agency remained relational and bonded. Overall we find that women, at least in Britain, seldom use LAT to purposefully or reflexively undo gender. Equally, LAT sometimes involves a reaffirmation of gendered norms. LAT is a multi‐faceted adaption to circumstances where new autonomies can at the same time incorporate old subordinations, and new arrangements can herald conventional family forms. 相似文献