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101.
This article aims to contribute to the discussion about the ethics of research on children when studying sensitive issues such as violence. The empirical analysis is based on the accounts given by children (11 377) who completed a computer‐based questionnaire about their experiences of violence (‘The Finnish Child Victim Survey 2008’) and their reflections on the survey. We argue that experiences of violence should not be excluded from the research agenda on children due to ethical reasons, but that a more sophisticated practice should be developed instead to meet the needs and rights of children as informants. © 2010 The Author(s). Journal compilation 2010 National Children’s Bureau and Blackwell Publishing Limited. 相似文献
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The count data model studied in the paper extends the Poisson model by al-lowing for overdispersion and serial correlation. Alternative approaches to esti-mate nuisance parameters, required for the correction of the Poisson maximum likelihood covariance matrix estimator and for a quasi-likelihood estimator, are studied. The estimators are evaluated by finite sample Monte Carlo experi-mentation. It is found that the Poisson maximum likelihood estimator with corrected covariance matrix estimators provide reliable inferences for longer time series. Overdispersion test statistics are wellbehaved, while conventional portmanteau statistics for white noise have too large sizes. Two empirical illustrations are included. 相似文献
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Lluis Renart Assistant Professor of Marketing Francesco Pars Professor Scientific Collaborator in Marketing 《European Management Journal》1991,9(4)
This complete Case Study, including Teaching Notes, won the 1991 EFMD Case Writing Competition Prize on a European theme, as well as receiving much praise from the judges. The Case concerns a group of four different European paint manufacturers co-operating in an EC Economic Interest Grouping to improve their economic position in European markets. The co-ordination of raw material purchasing policies was the first area of joint action; they obtained significant discounts straight away. Then they could begin to think about competing together against the big paint multinationals established in Europe. Later, talks started on joint investment and technology transfer.Lluis Renart and Francesco Parés have written a stimulating Case Study with Teaching Notes of value to business students and managers wishing to test out their analytical abilities. 相似文献
105.
Andrs Villarreal 《Journal of marriage and the family》2007,69(2):418-434
Findings from previous studies examining the relation between women’s employment and the risk of intimate partner violence have been mixed. Some studies find greater violence toward women who are employed, whereas others find the opposite relation or no relation at all. I propose a new framework in which a woman’s employment status and her risk of violent victimization are both influenced by the level of control exercised by her partner. Controlling men will actively prevent women from working and are also more likely to physically harm their partners. Using a statistical model in which the effect of omitted characteristics on women’s employment and their risk of violence are allowed to be correlated reverses the estimated association between employment and violence. The final results show that employment reduces women’s risk of violence. Data for the study are drawn from a sample of over 30,000 Mexican women in intimate relationships. The findings have broad implications given the increase in female labor force participation in many parts of the world. 相似文献
106.
Sales Lucas O. F. Pinho André L. S. Bourguignon Marcelo Medeiros F. Moisés C. 《Statistical Methods and Applications》2022,31(4):1037-1068
Statistical Methods & Applications - Control charts are commonly used for monitoring the mean of processes. However, there are practical applications in which asymmetric data are the standard.... 相似文献
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Olivier Catelinois Dominique Laurier Pierre Verger Agnès Rogel Marc Colonna Marianne Ignasiak Denis Hémon Margot Tirmarche 《Risk analysis》2005,25(2):243-252
The increase in the thyroid cancer incidence in France observed over the last 20 years has raised public concern about its association with the 1986 nuclear power plant accident at Chernobyl. At the request of French authorities, a first study sought to quantify the possible risk of thyroid cancer associated with the Chernobyl fallout in France. This study suffered from two limitations. The first involved the lack of knowledge of spontaneous thyroid cancer incidence rates (in the absence of exposure), which was especially necessary to take their trends into account for projections over time; the second was the failure to consider the uncertainties. The aim of this article is to enhance the initial thyroid cancer risk assessment for the period 1991-2007 in the area of France most exposed to the fallout (i.e., eastern France) and thereby mitigate these limitations. We consider the changes over time in the incidence of spontaneous thyroid cancer and conduct both uncertainty and sensitivity analyses. The number of spontaneous thyroid cancers was estimated from French cancer registries on the basis of two scenarios: one with a constant incidence, the other using the trend observed. Thyroid doses were estimated from all available data about contamination in France from Chernobyl fallout. Results from a 1995 pooled analysis published by Ron et al. were used to determine the dose-response relation. Depending on the scenario, the number of spontaneous thyroid cancer cases ranges from 894 (90% CI: 869-920) to 1,716 (90% CI: 1,691-1,741). The number of excess thyroid cancer cases predicted ranges from 5 (90% UI: 1-15) to 63 (90% UI: 12-180). All of the assumptions underlying the thyroid cancer risk assessment are discussed. 相似文献
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