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51.
Mary?K.?Foster Agnes?G.?MeinhardEmail author 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2005,16(2):143-159
Using a sample of 645 voluntary organizations in Canada, this study explores the differences between women’s voluntary organizations
and gender-neutral organizations in their propensity to form a bridging or a bonding interorganizational relationship. The
results suggest that not only do women’s organizations in Canada collaborate more than gender-neutral organizations, but also
the tendency to have bridging or bonding relationships is significantly different. The factors predisposing women’s organizations
to have collaborators inside or outside their network seems to be affected by how much the environmental changes in Canada
impact their survival and whether the nature of the causes they support makes them an attractive partner. For gender-neutral
organizations the tendency to bridge or bond seems to relate more to traditional organizational characteristics, such as size
and staffing efficiency. 相似文献
52.
Optimality of experimental design is considered in the situation in which individual observations may be subject to a shift in mean. The criterion of minimum average integrated mean square error is examined in general and the consequences for first and second degree models in the présence or absence of model bias are discussed. 相似文献
53.
The Perrucci and Pilisuk community power study of a medium-sized midwestern U. S. city is replicated on a small Prairie Canadian resort town. The interorganizational basis for power, derived from overlapping executive memberships, is the perspective followed in both studies. Essentially the same results are found in both places. A well-defined elite structure exists capable of mobilizing interorganizational power resources. 相似文献
54.
Agnes S. Ku 《Sociological Theory》2000,18(2):216-240
There exist around the notion of the public three different yet overlapping dichotomies posed on different levels of analysis: public (sphere) versus private (sphere), public versus mass, and publicness versus privacy/secrecy. Habermas's book ([1962]1989) incorporates all the three sets of dichotomy without resolving the contradictory meanings and bridging the gaps among them. As a result, his conception of the public sphere becomes paradoxical in terms, and it undertheorizes the cultural property of publicness. This article proposes an alternative conception of the public that may encompass the structural, institutional, and cultural levels of theorization in a more precise and coherent way. It is argued that the public is an imagined category about citizen membership that is attached to both institutions of state and civil society. In political practices, a symbolic "public" is institutionalized through an open communicative space where it is called upon, constructed, and contested as the central source of cultural references. In this connection, a notion of public credibility is introduced as an attempt to bring forth a richer and more dynamic conception about the role of culture in democratic struggles than that of critical rationality by Habermas. 相似文献
55.
Glenn Heller 《Lifetime data analysis》2001,7(3):255-277
The conventional Cox proportional hazards regression model contains a loglinear relative risk function, linking the covariate information to the hazard ratio with a finite number of parameters. A generalization, termed the partly linear Cox model, allows for both finite dimensional parameters and an infinite dimensional parameter in the relative risk function, providing a more robust specification of the relative risk function. In this work, a likelihood based inference procedure is developed for the finite dimensional parameters of the partly linear Cox model. To alleviate the problems associated with a likelihood approach in the presence of an infinite dimensional parameter, the relative risk is reparameterized such that the finite dimensional parameters of interest are orthogonal to the infinite dimensional parameter. Inference on the finite dimensional parameters is accomplished through maximization of the profile partial likelihood, profiling out the infinite dimensional nuisance parameter using a kernel function. The asymptotic distribution theory for the maximum profile partial likelihood estimate is established. It is determined that this estimate is asymptotically efficient; the orthogonal reparameterization enables employment of profile likelihood inference procedures without adjustment for estimation of the nuisance parameter. An example from a retrospective analysis in cancer demonstrates the methodology. 相似文献
56.
57.
The social processes underlying the production of scientific knowledge make it an inherently social endeavor. The interaction between systems of thought and affiliation has been subject of the sociology of science, with remarkable developments in studies on the structure of scientific fields based on social networks analysis. Although psychology is one of the pioneer fields investigated in this literature, there is scarcity of research on psychology. The objective of this paper is to describe the social networks’ dynamics of knowledge production in psychology in Brazil, comparing association patterns among its sub-areas. For this purpose, 395 researchers responded an electronic questionnaire about their relationships. Networks of nine psychology sub-areas were analyzed for structural properties (i.e. density, centrality) and relational exchanges (the connecting roles of boundary spanners and central connectors). Findings showed different structures and connectivity patterns between networks, but most of these areas configure as small worlds. Discussion explores implications of these findings for the production of knowledge within areas, and for the national production of psychological knowledge as a whole, with effects on the international projection of knowledge produced in Brazil. 相似文献
58.
Agnes M. Willemen Carlo Schuengel Hans M. Koot 《Journal of research on adolescence》2011,21(3):569-575
This study examined whether the quality of parent–adolescent interactions moderate the association between stressful life events and internalizing and externalizing problems in referred adolescents (N=101, M age 13.41 years, SD=1.81). Adolescents and their parents reported on psychological problems at the time of referral and 4 years later. At follow‐up parents reported on stressful life events and an interaction task was conducted to observe autonomy and relatedness promoting behaviors. For adolescents exposed to stressful events, levels of internalizing and externalizing problems went up except if observed parent–adolescent interactions were characterized by high autonomy and relatedness. The results implied that autonomy and relatedness protect adolescents against the deleterious effects of stressful life events. These findings build on previous research showing for psychologically vulnerable adolescents that parenting that promotes autonomy while maintaining relatedness is associated with resilience in times of stress. 相似文献
59.
60.
The effects of missing observations in a designed experiment are reviewed. Conditions are determined for a design to retain equal information, i.e. the same generalized variance of unknown parameters, when either any single or any pair of observations is lost. Some examples of designs with this property are given. Although there are many designs which retain equal information for the loss of exactly t observations, where t = 1,2,3,…, it is shown that it is not possible to obtain any design which retains equal information when any one and any two and also any three observations are missing. 相似文献