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101.
Diana Formoso Nancy A. Gonzales Manuel Barrera Larry E. Dumka 《Journal of marriage and the family》2007,69(1):26-39
This study examined independent and interactive relations between the interparental relationship and maternal employment in predicting fathering within low‐income, Mexican American two‐parent families (N = 115). Interparental conflict was negatively related to quality fathering, and these relations were noted only for single‐earner families. The parenting alliance was positively related to quality fathering irrespective of maternal employment. Fathering was associated with lower levels of child depression and conduct problems. Results suggest that bolstering quality fathering is a useful avenue for improving child well‐being and that strengthening the interparental relationship can support quality fathering and child mental health within Mexican American families. 相似文献
102.
In this paper we propose an algorithm to carry out the monitoring and retrospective intervention process in Dynamic Linear Models, both selectively and automatically. The algorithm is illustrated by analysing several series taken from the literature, in which the proposed procedure is shown to perform better than the scheme proposed by West & Harrison (1997, Chapter 11). 相似文献
103.
The authors consider the problem of simple linear regression when the exogenous and endogenous variables are functional and the design is fixed. They propose an estimator for the underlying linear operator and prove its consistency under some conditions which ensure that the design is sufficiently informative. They consider the classical calibration (or inverse regression) problem and analyze a consistent estimator. They also give a simulation study. The proposed method is not hard to implement in practice. 相似文献
104.
Anuoluwapo Ajayi Lukumon Oyedele Hakeem Owolabi Olugbenga Akinade Muhammad Bilal Juan Manuel Davila Delgado Lukman Akanbi 《Risk analysis》2020,40(10):2019-2039
Inappropriate management of health and safety (H&S) risk in power infrastructure projects can result in occupational accidents and equipment damage. Accidents at work have detrimental effects on workers, company, and the general public. Despite the availability of H&S incident data, utilizing them to mitigate accident occurrence effectively is challenging due to inherent limitations of existing data logging methods. In this study, we used a text-mining approach for retrieving meaningful terms from data and develop six deep learning (DL) models for H&S risks management in power infrastructure. The DL models include DNNclassify (risk or no risk), DNNreg1 (loss time), DNNreg2 (body injury), DNNreg3 (plant and fleet), DNNreg4 (equipment), and DNNreg5 (environment). An H&S risk database obtained from a leading UK power infrastructure construction company was used in developing the models using the H2O framework of the R language. Performances of DL models were assessed and benchmarked with existing models using test data and appropriate performance metrics. The overall accuracy of the classification model was 0.93. The average R2 value for the five regression models was 0.92, with mean absolute error between 0.91 and 0.94. The presented results, in addition to the developed user-interface module, will help practitioners obtain a better understanding of H&S challenges, minimize project costs (such as third-party insurance and equipment repairs), and offer effective strategies to mitigate H&S risk. 相似文献
105.
Laura Sierra García Emiliano Ruiz Barbadillo Manuel Orta Pérez 《Journal of Management and Governance》2012,16(2):305-331
Corporate scandals and failures such as Enron, WorldCom, etc. were highly catastrophic and had a terrible effect on stakeholders. The pressure of globalisation and the intense competition have lead to organisations encouraging good corporate governance. Organisations have to promote transparency and accountability of financial information. As Gramling et al. (J Account Lit 23:194–244, 2004) argued there are four important mechanisms of corporate governance include boards of directors, audit committees (among others) and internal and external audit functions. However, this paper will focus on the relationship between two corporate governance mechanisms (audit committee and internal audit function). Thus, our purpose is to analyse the relation between characteristics of the audit committee and internal audit function and earnings management measured as abnormal accruals to test the quality of financial statements. We hypothesise that the association between the effectiveness of the audit committee and the presence of an internal audit function and its relationship with this committee would indicate less opportunity for management to manipulate earnings. Using a sample of 108 non-financial Spanish companies that traded on the Madrid Stock Exchange between 2003 and 2006 (432 observations), we have found that the size and number of meetings of the audit committee had a significant negative association with earnings manipulations. Also, our results suggest that a negative relation between having an internal audit function and earnings management. 相似文献
106.
Manuel Pastor Jr. James L. Sadd & Rachel Morello-Frosch 《Social science quarterly》2002,83(1):263-280
Objective . Although previous environmental justice research has focused on analysis of the disproportionate burden of environmental hazards on minority residents, few studies have examined demographic inequities in health risks among children. This article evaluates the demographic distribution of potentially hazardous facilities and health risks associated with ambient air toxics exposures among public schoolchildren in the Los Angeles Unified School District. Methods . We combine Geographic Information System analysis with multivariate statistics to compare enrollment and demographic information for students who attend district schools with the spatial pattern of land use, locations of toxic emissions and facilities, and calculated indices of estimated lifetime cancer risk and respiratory hazards associated with exposures to toxic air emissions. Results . District schools are more likely to be located in census tracts containing potentially hazardous facilities; however, these tracts actually have slightly lower cancer and respiratory health risks associated with air toxics when compared to other tracts in the district. Demographic comparisons among school sites indicate that minority students, especially Latinos, are more likely to attend schools near hazardous facilities and face higher health risks associated with outdoor air toxics exposure. Conclusions . These patterns of hazard exposure and health risk should be considered both in the process of siting new schools to house the rapidly growing regional student population and in remediation efforts at existing schools. 相似文献
107.
Gary P. Freeman Luis F. B. Plascencia Susan González Baker & Manuel Orozco 《Social science quarterly》2002,83(4):1013-1025
Objective . We explore the increase in citizenship applications in the mid–1990s in order to test popular explanations for them, such as the consequences of IRCA legalization, fear of loss of public benefits, and effects of citizenship outreach programs. Methods . We rely on a nonrandom sample of 526 lawful permanent residents in four Texas cities. About half had applied for citizenship and all were taking affirmative steps via participation in citizenship or English–language classes. Results . Having received amnesty under IRCA predicts rapid application for citizenship upon eligibility but is not associated with greater mastery of the naturalization process or better English skills. Fear of losing eligibility for public benefits and campaigns promoting naturalization motivated about one–quarter of citizenship applicants. Much larger proportions cite their desire to participate fully in American life, to sponsor the immigration of relatives, and to ensure opportunities for their children. The main obstacle they identify is limited English proficiency. Conclusions . Although factors peculiar to the political environment of the 1990s affected many permanent residents, most cited traditional incentives having to do with investment in opportunities for themselves and their families. Our data suggest that the most effective way to facilitate naturalization is to devote more resources to English–language training. 相似文献
108.
Jessica Hellyer Edward F. Garrido Christie L.M. Petrenko Heather N. Taussig 《Children and youth services review》2013
Objective
The occurrence of pediatric asthma has been associated with exposure to chronic stress. This study examined the relationship between maternal and community risk factors and asthma in a sample of maltreated children in foster care.Method
Interviews were conducted with 365 maltreated children in foster care. Measures included youth/caregiver reports of asthma, an index of maternal risk based on data abstracted from child welfare records and community violence exposure.Results
After controlling for demographic variables, maternal risk was associated with the presence of asthma (OR = 1.314, 95% CI = 1.09–1.58). Community violence exposure, however, was not related to the presence of asthma.Conclusion
Maternal risk factors were significantly associated with the presence of asthma in a foster care population. Physicians who care for maltreated children in foster care should be particularly attuned to the presence of these additional risk factors that may place high-risk children at increased risk for chronic health problems. 相似文献109.
Manuel Castells 《Social Dynamics》2013,39(1):5-17
The government of Botswana had to strike a fine balance between not isolating the liberation movements, not letting them use Botswana as a military base and not appearing to harbour ‘terrorists’. The government realised that overtly supporting the liberation movements was potentially suicidal, for the country could easily be punished by South Africa: trade links could be severed and communication networks paralysed. The settler regimes did try to infiltrate and weaken the liberation movements in Botswana and carried out acts such as kidnapping, intimidation and deportation, to try to prevent the liberation movements from threatening the status quo in southern Africa. Using evidence from the Botswana National Archives, oral interviews, and newspaper reports, the article examines the means the Botswana government adopted to deal with the situation and safeguard the security of its citizens. 相似文献
110.