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851.
This paper compares sociotechnical systems (STS) theory and actor network theory (ANT) as developed by Latour, Callon and Law. We examine how STS and ANT can be viewed as responses to rationalist/functionalist research on large sociotechnical systems and as extensions and elaborations of pragmatist/culturalist frameworks developed in sociology and anthropology. We reexamine, from an actor network perspective, Trist and Bamforth’s seminal article in which the concept of a sociotechnical system was introduced. We also discuss how STS ideas on interactive planning can be combined with concepts from ANT to investigate interdependent processes of invention and innovation in large sociotechnical networks. 相似文献
852.
Markham William T. Walters Jana Bonjean Charles M. 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2001,12(2):103-130
Three models of leadership in voluntary associations have been proposed in the literature: democratic leadership, oligarchy, and leadership by default. Through an intensive case study of leadership structure, differences in the attitudes of members and leaders at three hierarchical levels, and differences between the attitudes and behaviors of aspirants and nonaspirants to leadership in a women's service association, this article examines the degree of fit between these models and a specific organization. Data is drawn from questionnaires, annual reports, and interviews. The results fail to conform to any of the existing models, suggesting instead a fourth model, leadership for self-development—in which leaders are motivated primarily by a desire to develop administrative and interpersonal skills. 相似文献
853.
Cabin WD 《Journal of gerontological social work》2008,51(1-2):77-86
Medicare home health care policy does not incorporate research evidence of effective palliative home care interventions for Alzheimer's disease and dementia patients and caregivers. This article examines the dissonance between the needs and burdens of Alzheimer's disease patients and caregivers, research results on medical and palliative care interventions, and medicalized public policy in the Medicare home health benefit. The article asserts existing research establishes a prima facie case exists for the federal government to fund a Medicare Palliative Home Care for Alzheimer's disease demonstration project. The article cites the success of the Medicare Hospice Demonstration project and Hospice Medicare Benefit in reducing costs and improving client quality of life as precedent and a model for Alzheimer's disease. Other research implications are identified. 相似文献
854.
855.
Paul Harvey Kenneth J. Harris William E. Gillis Mark J. Martinko 《The Leadership Quarterly》2014,25(2):204-217
We present two studies that examine the effects of psychological entitlement on employees' ratings of abusive supervision and their behavioral reactions to these perceptions. Study 1 indicated that entitlement was positively associated with ratings of abusive supervision. Perceived abuse was, in turn, associated with upward undermining behaviors and organizational deviance. In Study 2, we re-examined the hypothesized relationships using paired data from employees and their coworkers. The results replicated those from the first study and showed that entitled employees rated supervisors as more abusive than coworkers who shared the same supervisors. Although this variance is likely driven by a combination of perceptual distortion and actual abusive behaviors, the ultimate implication is that psychologically entitled employees are prone to feel that they are victims of abuse and to react in undesirable ways. 相似文献
856.
Jeffrey D. Blume Robert A. Greevy Valerie F. Welty Jeffrey R. Smith William D. Dupont 《The American statistician》2019,73(1):157-167
ABSTRACTSecond generation p-values preserve the simplicity that has made p-values popular while resolving critical flaws that promote misinterpretation of data, distraction by trivial effects, and unreproducible assessments of data. The second-generation p-value (SGPV) is an extension that formally accounts for scientific relevance by using a composite null hypothesis that captures null and scientifically trivial effects. Because the majority of spurious findings are small effects that are technically nonnull but practically indistinguishable from the null, the second-generation approach greatly reduces the likelihood of a false discovery. SGPVs promote transparency, rigor and reproducibility of scientific results by a priori identifying which candidate hypotheses are practically meaningful and by providing a more reliable statistical summary of when the data are compatible with the candidate hypotheses or null hypotheses, or when the data are inconclusive. We illustrate the importance of these advances using a dataset of 247,000 single-nucleotide polymorphisms, i.e., genetic markers that are potentially associated with prostate cancer. 相似文献
857.
International migration and development in mexican communities 总被引:1,自引:0,他引:1
The theoretical and empirical literature generally regards international migration as producing a cycle of dependency and stunted development in sending communities. Most migrants’ earnings are spent on consumption; few funds are channeled into productive investment. We argue that this view is misleading because it ignores the conditions under which productive investment is likely to be possible and profitable. We analyze the determinants of migrants’ savings and remittance decisions, using variables defined at the individual, household, community, and macroeconomic levels. We identify the conditions under which U.S. earnings are repatriated to Mexico as remittances and savings, and indicate the factors leading to their productive investment. 相似文献
858.
Lee WK 《Journal of women & aging》2005,17(4):59-76
The study of labor force participation at older ages and the process of retirement do not have a long tradition in Asia's newly developed societies. This study, based on telephone survey of 950 respondents, examines various socio-economic factors that would influence retirement decision among older workers in Hong Kong. The findings show that older men were more likely to participate in the labor force than older women. Interestingly, older workers, in particular older women, with pension were less likely to retire. Having a working spouse decreased the likelihood of retirement and older workers, in particular older women, living with married children were more likely to retire. Poor health also discourages the propensity to continue working at old age. These findings confirm that retirement entails much more than just a decision to stop work, and that there were gender differences in retirement decision. Finally, several policy challenges, with reference to elderly women, concerning older workers' labor force participation were discussed. 相似文献
859.
William R. Lavely 《Demography》1986,23(3):419-434
Coale and Trussell’s model of marital fertility is used to analyze data from China’s National One-per-Thousand Fertility Survey. Rural China experienced a regime of natural fertility until 1970, after which levels of fertility control rose with unprecedented speed and with an age pattern starkly dissimilar from that observed in other populations. Urban marital fertility was apparently under a modest level of deliberate control in the 1950s, with a sustained rise in control beginning in 1963. Natural fertility was low relative to other populations, with the urban level exceeding the rural. 相似文献
860.
The changing impact of white migration on the population compositions of origin and destination metropolitan areas 总被引:1,自引:0,他引:1
William H. Frey 《Demography》1979,16(2):219-237
Increased migration to the sunbelt and the metropolitan-nonmetropolitan "turnaround" represent departures from long-standing redistribution trends. Although these patterns have been examined from a number of perspectives, their consequences for individual metropolitan areas have not yet been brought to light. In the present study, stream-disaggregated data for the late 1950s and late 1960s are employed to assess the impact of recent migration on the sizes and compositions of white populations in thirty-one large metropolitan areas. Most large northern SMSAs have been experiencing the "new" migration patterns since the late 1950s. They have incurred net out-movements of whites to both metropolitan and nonmetropolitan areas. In their exchanges with nonmetropolitan areas, however, they have managed to retain greater numbers of college graduates and professional workers. Southern and western SMSAs did not sustain losses to nonmetropolitan areas during either period. They did appear to gain both total and high status population as a result of interregional metropolitan redistribution. 相似文献