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111.
This paper considers the problem of comparing two income distributions with different numbers of income recipients. The approach
eschews the “replication of populations” of Dalton’s Population Principle which has been a fixture of the literature on income
inequality since its inception. We start from a preorder which is a generalization of majorization, construct the “better-than”
set and characterize the order-preserving welfare functions in a unified framework. The fixed population case falls off as
a particular case. 相似文献
112.
In this paper we discuss key aspects of empowering leadership as a basis for conceptualizing and operationalizing the construct. The conceptualization resulted in eight behavioral manifestations arranged within three influence processes, which were investigated in a sample of 317 subordinates in Study 1. The results supported the validity and reliability of a two-dimensional, 18-item instrument, labeled the Empowering Leadership Scale (ELS). In Study 2 (N = 215) and Study 3 (N = 831) the factor structure of ELS was cross-validated in two independent samples from different work settings. Preliminary concurrent validation in Studies 1 and 2 found that ELS had a positive relationship to several subordinate variables, among others self-leadership and psychological empowerment. In Study 3 ELS was compared with scales measuring leader–member exchange (LMX) and transformational leadership. Discriminant validity was supported, and moreover, ELS showed incremental validity beyond LMX and transformational leadership when predicting psychological empowerment. 相似文献
113.
114.
Michael L. Stein Xiaotong Shen Patricia E. Styer 《Revue canadienne de statistique》1993,21(3):331-346
This paper addresses two vital and seemingly simple questions concerning wet deposition of sulfates, a major contributor to acid rain. The first is to estimate the annual wet deposition of sulfate at a monitoring site under emissions that existed during the 1980s. This problem is complicated by missing data. The second is to estimate accurately the effect of a change in pollution emissions on concentrations of sulfate in precipitation. This problem is made difficult by the substantial natural variations in sulfate concentrations due to weather variations between years. As a tool for addressing both of these problems, we develop a regression model for the sulfate concentration of precipitation on a particular day as a function of amount of precipitation and time of the year. The model is used as a basis for imputing missing sulfate concentrations to handle the missing-data problem. It is also used to explain some of the variability in annual sulfate concentrations due to meteorology and hence provide more accurate estimates of the effect of changes in emissions. 相似文献
115.
Mike Stein 《Child & Family Social Work》2006,11(3):273-279
This paper reviews the international research on young people leaving care. Set in the context of a social exclusion framework, it explores young people’s accelerated and compressed transitions to adulthood, and discusses the development and classification of leaving care services in responding to their needs. It then considers the evidence from outcome studies and argues that adopting a resilience framework suggests that young people leaving care may fall into three groups: young people ‘moving on’, ‘survivors’ and ‘victims’. In concluding, it argues that these three pathways are associated with the quality of care young people receive, their transitions from care and the support they receive after care. 相似文献
116.
Karen Stein PhD 《Journal of elder abuse & neglect》2013,25(3):127-133
ABSTRACTThis commentary discusses the need to evaluate the impact of World Elder Abuse Awareness Day activities, the elder abuse field’s most sustained public awareness initiative. A logic model is proposed with measures for short-term, medium-term, and long-term outcomes for community-based programs. 相似文献
117.
118.
The influence of ethnicity, socioeconomic status, and psychological barriers on use of mammography 总被引:7,自引:0,他引:7
This study assessed the relative influence of psychological barriers, SES, and ethnic differences in mammography use for a community sample of 586 White, 227 Black, and 150 Hispanic women. Confirmatory factor analyses with latent variables indicated plausible factor structures for all groups on items related to barriers to mammography. Summed indicators of SES, fear of radiation, embarrassment, pain, anxiety, and cost concerns were correlated significantly with mammography use for the pooled group. Separate analyses by ethnicity indicated a substantial relationship between mammography use and cost concerns by White and Black women, and fear of pain by Black and Hispanic women. Use of mammography was associated more highly with SES among Hispanic women. Pooled logistic regression analyses controlling for SES and ethnicity showed that the psychological barriers, especially concern about cost, remained important independent predictors of mammography use. We explore sociocultural explanations for less mammography use by Hispanic women, especially those less acculturated. 相似文献
119.
Theodore J. Stein 《Children and youth services review》1980,2(4):438-442
120.
Our objective was to estimate the prevalence of intimate partner violence (IPV) and to explore its association with childhood maltreatment, substance misuse, posttraumatic stress, and suicidal behavior in a representative community sample of women. IPV was operationalized as a "physical attack or beating by a spouse, boyfriend, or live-in partner." We surveyed 637 women in Memphis, Tennessee, by telephone survey. Sixteen percent reported ever experiencing IPV by a male partner, and 75% endorsed multiple assaultive acts. Of abused women, 5.9% met current PTSD diagnostic criteria, and an additional 11.8% were assessed with subthreshold symptoms. Abused women were more likely than other women to be divorced, to have less than 13 years education, to endorse high levels of childhood victimization, to have abused drugs and alcohol, and to have attempted suicide. Twenty-three percent of IPV+ (abused) women reported a suicide attempt at some time in their lives compared with 3% of IPV- (nonabused) women (p < .0001). Further, multiple logistic regression analysis showed that childhood sexual and emotional abuse and low educational attainment were the only significant predictors of IPV. These results suggest that in women who endorse IPV, careful inquiry of past abuse, trauma-related symptoms, suicidal behavior, and drug use may be important, so that interventions can be both timely and appropriate. 相似文献