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991.
Andrew E. Scharlach 《Community, Work & Family》2001,4(2):215-230
This study examined work-family interference experienced by working parents in a sample of 1888 employed adults. Role strain was examined using a multidimensional model that included family-related and work-related demands and resources. Multiple regression analyses revealed that having children under the age of six, more demanding jobs, less satisfactory child care arrangements, and less workplace support contributed significantly to higher levels of role strain. Utilization of workplace programs and benefits such as Dependent Care Accounts, Child Care Resource Guides, Parent Information Fairs, and adjusted work schedules did not significantly impact levels of work-family interference. Moreover, work and family resources were not found to have greater benefit for employees with more demanding work and family situations than for those with less demanding situations. These findings demonstrate the limited buffering ability of certain workplace and family resources, and the importance of identifying work-site as well as community-based programs and policies that have the greatest potential to assist working parents and their children. Cette étude éxamine l'intrusion travail-famille d'une expérience vécue de parents qui travaillent parmi un groupe représentatif de 1888 adultes avec emploi. La tension de rôle est éxaminée par le biais d'un modèle multidimensionnel comprenant des éxigences et ressources se rapportant à la famille et au travail. Les analyses de régression multiples démontrent que les attributs suivants contribuent de manière significative à des niveaux plus élevés de tension de rôle: avoir des enfants de moins de six ans, avoir un poste plus éxigeant, des écoles maternelles moins satisfaisantes et moins de soutien dans les lieux de travail. L'utilisation de programmes et des bénéfices de travail comme les comptes de 'Dependent Care' (c'est àdire les comptes accordant aux parents certains avantages fiscaux) des guides de ressources de crêches, des foires de renseignement pour les parents, et des horaires de travail adaptables aux besoins du travailleur, n'affectent pas significativement les niveaux de l'intrusion de travail-famille. En outre, les ressources ayant rapport au travail et à la famille ne se revelent pas plus bénéfiques pour les employés ayant une situation plus éxigeante que pour ceux dont la situation est moins éxigeante. Ces résultats démontrent la capacité protectrice limitée des certaines ressources du lieu de travail et de la famille, ainsi que l'importance d'identifier des programmes et une politique à base communitaire qui aient le potentiel le plus grand d'accorder de l'assistance aux parents qui travaillent et à leurs enfants. 相似文献
992.
Rankings of internal rates of return to education have significantly influenced education expenditures within developing countries and lending priorities of multilateral institutions. It is widely suspected, however, that estimated education returns are subject to systematic bias. The direction and magnitude of this bias are hotly contested. This paper demonstrates that in the presence of systematic bias, idiosyncratic properties of the internal-rate-of-return mapping may cause a ranking reversal. An explicit analytical test of return-ranking legitimacy is developed and applied to select African and Asian countries. 相似文献
993.
The scenario of established business sellers utilizing online auction markets to reach consumers and sell new products is becoming increasingly common. We propose a class of risk management tools, loosely based on the concept of financial options that can be employed by such sellers. While conceptually similar to options in financial markets, we empirically demonstrate that option instruments within auction markets cannot be developed employing similar methodologies, because the fundamental tenets of extant option pricing models do not hold within online auction markets. We provide a framework to analyze the value proposition of options to potential sellers, option‐holder behavior implications on auction processes, and seller strategies to write and price options that maximize potential revenues. We then develop an approach that enables a seller to assess the demand for options under different option price and volume scenarios. We compare option prices derived from our approach with those derived from the Black‐Scholes model ( Black & Scholes, 1973 ) and discuss the implications of the price differences. Experiments based on actual auction data suggest that options can provide significant benefits under a variety of option‐holder behavioral patterns. 相似文献
994.
This study examined differences in the quality of relationships between immigrant parents and their adolescent children as a function of the languages with which they speak to one another. Over 620 adolescents with East Asian, Filipino, and Latin American backgrounds completed measures on parent‐adolescent language use and relationships. Adolescents who spoke in different languages with their parents reported less cohesion and discussion with their mothers and fathers than did their peers who spoke the same language with their parents. Adolescents who mutually communicated in the native language with their parents reported the highest levels of cohesion and discussion. Longitudinal analyses indicated that whereas language use did not predict differential changes in parent‐adolescent relationships over a 2‐year period, the quality of relationships did predict changes in language use. The associations between language use and relationships generally existed regardless of the families' ethnic and demographic backgrounds, and these associations did not vary across families of different backgrounds. 相似文献
995.
996.
Andrew Pickering 《Sociological Theory》2000,18(2):308-316
Daniel Breslau's essay opens up a valuable space in seeking to align the sociologically impure objects explored in science studies with the practice of a pure sociology. I challenge Breslau's conclusion that the latter can swallow the former and proceed with business as usual. Contrary to Breslau, I argue that confronting head-on the impure objects of science studies can indeed represent a new beginning in sociology as a discipline. I also correct Breslau's misreading of my work as "symmetrical humanism." 相似文献
997.
Gregory C. Murphy Andrew G. Remenyi Alan M. Hudson 《The Australian journal of social issues》1978,13(3):207-215
A questionnaire was administered to 77 employees of a large commercial organization and 61 paramedical workers to ascertain which of a number of professionals were likely to be approached for help with particular types of problems. The findings for this study indicated that for both groups social workers were the most preferred professionals by most subjects for most problems, although there were important and interesting preferences for other professionals also. 相似文献
998.
Nachreiner NM Gerberich SG Ryan AD Erkal S McGovern PM Church TR Mongin SJ Feda DM 《Work (Reading, Mass.)》2012,42(1):39-46
A case-control study design was used to investigate risks of work-related physical assault (PA) associated with a history of violent victimization among educators. A total of 6,469 state-licensed educators (Kindergarten - Grade 12) worked in the previous 12~months and were eligible to participate. Exposure data were collected from cases (reporting a PA event in previous 12 months, n=290) for the month before PA, and from controls (no work-related PA in previous 12 months; n=867) for a randomly selected working month. Odds ratios and 95% confidence intervals identified increased risks for educators with any prior history of work-related (17.3, 11.4-26.3) or non-work-related PA (2.0, 1.2-3.5). In addition, PA risk in the previous twelve months increased with the number of previous victimizations, and risk also increased for educators with histories of non-physical violence (work- and non work-related). The results present a compelling case for targeted interventions and further research. 相似文献
999.
Lunn David J. Thomas Andrew Best Nicky Spiegelhalter David 《Statistics and Computing》2000,10(4):325-337
WinBUGS is a fully extensible modular framework for constructing and analysing Bayesian full probability models. Models may be specified either textually via the BUGS language or pictorially using a graphical interface called DoodleBUGS. WinBUGS processes the model specification and constructs an object-oriented representation of the model. The software offers a user-interface, based on dialogue boxes and menu commands, through which the model may then be analysed using Markov chain Monte Carlo techniques. In this paper we discuss how and why various modern computing concepts, such as object-orientation and run-time linking, feature in the software's design. We also discuss how the framework may be extended. It is possible to write specific applications that form an apparently seamless interface with WinBUGS for users with specialized requirements. It is also possible to interface with WinBUGS at a lower level by incorporating new object types that may be used by WinBUGS without knowledge of the modules in which they are implemented. Neither of these types of extension require access to, or even recompilation of, the WinBUGS source-code. 相似文献
1000.
Population and Environment - 相似文献