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161.
Mark T. Berg Eric Baumer Richard Rosenfeld Rolf Loeber 《Journal of Quantitative Criminology》2016,32(3):377-396
Objectives
To evaluate whether the 1990s crime drop reflects a decrease in offending prevalence (the fraction of the population engaged in crime), offending incidence (the frequency of offending among active criminals), or some combination of the two.Methods
We use individual-level longitudinal data on adolescent offending patterns from the Pittsburgh Youth study (PYS), integrating information from the youngest and oldest cohorts to compare offending among 17–18 year old males at the beginning and end of the 1990s. Logistic and negative binomial regression models are estimated to assess whether there are significant differences in offending prevalence and incidence during the 1990s.Results
The reduction in property crime rates in the PYS sample during the 1990s can be attributed to declines in both offending prevalence and incidence. The overall decline in serious violence during the 1990s for the full sample was primarily the result of a falloff in prevalence. However, for black youth our results indicate significant reductions in both the prevalence and incidence of serious violence. We did not detect a significant difference in illegal drug sales during the period.Conclusions
Using longitudinal data on individuals to decompose aggregate crime trends into changes in the prevalence and incidence of offending offers insights into the nature of the 1990s crime drop that cannot be discerned from aggregate crime data. Future research should build on the current study by examining the specific mechanisms that influence change over time in crime prevalence, incidence, or both.162.
163.
Himelhoch S Powe NR Breakey W Gebo KA 《Journal of prevention & intervention in the community》2007,33(1-2):109-120
Individuals with schizophrenia are at risk of developing HIV and are known to experience barriers to optimal medical care. Our goal was to determine, among a cohort of HIV clinicians, whether or not the diagnosis of schizophrenia affected the clinical decision to offer highly active antiretroviral therapy (HAART) to AIDS patients. This is a cross-sectional study of a random, national sample of HIV experts drawn from the membership of the American Academy of HIV Medicine. Participants were mailed a self-administered questionnaire with a case vignette of a new onset AIDS patient and were specifically asked whether or not they would recommend HAART treatment. Vignettes were randomly assigned to include a diagnosis of schizophrenia or not. We located 649 clinicians (93%); 347 responded (53.4%). Responders and non-responders did not differ in demographics or work characteristics. Recommendation of antiretroviral treatment did not differ between those who received a case vignette with schizophrenia versus those who did not(95.8% vs. 96.6%, p=0.69). Compared to those who received a case vignette without schizophrenia, those who received vignettes with schizophrenia were more likely to avoid prescribing efavirenz, a medication with known neuropsychiatric side effects(17.7% vs. 45.5%, p < 0.01), more likely to agree to be helped by a specialist(34.5% vs. 12.9%, p < 0.01), and more likely to recommend directly observed therapy (20% vs.10%, p = 0.01). HIV clinicians recognize the importance of recommending HAART treatment to individuals with schizophrenia and AIDS and avoid using antiretroviral medication with known neuropsychiatric side effects. 相似文献
164.
Seth Wyatt Fallik 《Criminal Justice Studies》2019,32(1):32-49
Automobile stop research finds that citizen race influences officer decision-making. Researchers, however, report methodological issues inhibiting them from drawing causal inferences about the existence of racial profiling. The purpose of this study is to deconstruct this field of inquiry through a causal lens to inform the next generation of scholarship. Through an analysis of automobile stop data, temporal ordering issues are exposed. Relating to association, most studies find that racial minorities are more likely to be searched, however, spuriousness issues continue to plague racial profiling studies as researchers rarely estimate departmental, passenger, vehicle, and temporal variables. To confront these issues, researchers are encouraged to engage in primary data collection and explore recent statistical innovations in their analytical strategies. 相似文献