全文获取类型
收费全文 | 2633篇 |
免费 | 86篇 |
专业分类
各国政治 | 162篇 |
工人农民 | 76篇 |
世界政治 | 240篇 |
外交国际关系 | 169篇 |
法律 | 1104篇 |
中国政治 | 18篇 |
政治理论 | 927篇 |
综合类 | 23篇 |
出版年
2023年 | 14篇 |
2020年 | 35篇 |
2019年 | 40篇 |
2018年 | 65篇 |
2017年 | 72篇 |
2016年 | 74篇 |
2015年 | 54篇 |
2014年 | 53篇 |
2013年 | 410篇 |
2012年 | 40篇 |
2011年 | 60篇 |
2010年 | 60篇 |
2009年 | 62篇 |
2008年 | 68篇 |
2007年 | 62篇 |
2006年 | 74篇 |
2005年 | 72篇 |
2004年 | 85篇 |
2003年 | 73篇 |
2002年 | 72篇 |
2001年 | 51篇 |
2000年 | 43篇 |
1999年 | 41篇 |
1998年 | 57篇 |
1997年 | 42篇 |
1996年 | 38篇 |
1995年 | 55篇 |
1994年 | 49篇 |
1993年 | 49篇 |
1992年 | 40篇 |
1991年 | 39篇 |
1990年 | 47篇 |
1989年 | 46篇 |
1988年 | 41篇 |
1987年 | 43篇 |
1986年 | 41篇 |
1985年 | 38篇 |
1984年 | 41篇 |
1983年 | 34篇 |
1982年 | 40篇 |
1981年 | 24篇 |
1980年 | 25篇 |
1978年 | 32篇 |
1977年 | 24篇 |
1976年 | 23篇 |
1975年 | 17篇 |
1974年 | 29篇 |
1973年 | 18篇 |
1972年 | 12篇 |
1969年 | 16篇 |
排序方式: 共有2719条查询结果,搜索用时 0 毫秒
91.
The impact of institutions on the economic vote stands as a well‐established proposition for the advanced democracies of Europe. We know less, however, regarding the institutional effects on the economic vote in the developing democracies of Latin America. Carrying out an analysis of presidential elections in 18 Latin American countries, we offer evidence that the usual Eurocentric conceptualization of the clarity of responsibility is not ideal for understanding the economic vote in this region. There does exist a powerful effect of institutions on the economic vote within Latin American democracies, but one uniquely associated with its presidential regimes and dynamic party systems. Rules for these elections—such as concurrence, term limits, and second‐round voting—suggest that we should reconceptualize the notion of the clarity of responsibility in Latin America, focusing more on individuals in power and their constraints, and less on the political parties from which they hail. 相似文献
92.
This article investigates the mechanisms that voluntary environmental program (VEP) participants adopt to reduce pollution. The focus of this article is the 33/50 program, a VEP introduced by the U.S. Environmental Protection Agency in 1991 and discontinued in 1995. The program called for emissions reductions for 17 chemicals reported to the Toxics Release Inventory. Using a sample of approximately 12,000 plants, the relationship between 33/50 program participation and adoption of pollution reduction practices is studied for three time periods, 1991–1995 (program life), 1996–2004, and 2005–2013. These practices include source reduction activities (SRAs) and recycling, recovery, and treatment (RRTs). The major findings are that during the program's life, 33/50 participants showed increased adoption of SRAs and RRTs for both targeted and nontargeted chemicals. However, once the program ended, higher adoption rates persisted for RRTs only, with a shift in emphasis toward treatment over recycling and recovery. 相似文献
93.
Schwartz SJ Klimstra TA Luyckx K Hale WW Meeus WH 《Journal of youth and adolescence》2012,41(9):1208-1225
The longitudinal effects among self and identity processes, and between these processes and internalizing symptoms, are not well understood. As a result, the present study was designed to ascertain the over-time effects among identity commitment, reconsideration of commitments, and self-concept clarity, as well as to map the interplay of these self and identity processes with anxiety and depressive symptoms in early adolescence. A sample of 923 Dutch adolescents (mean age 12.4 years at Time 1; 49.3% female) participated at each of five annual assessments. Multivariate growth curve and cross-lagged panel models indicated that the association between self-concept clarity and commitment was bidirectional, that reconsideration occurs based on problems or dissatisfaction with self-concept clarity and with identity commitments, and that self-concept clarity (but not commitment or reconsideration) temporally precedes depressive and anxiety symptoms. Results are discussed in terms of the structure of the self-system and its associations with internalizing symptoms. 相似文献
94.
Research has linked the role of education to delinquency, but much of the focus has been on general population samples and
with little attention to demographic differences. Employing a cumulative disadvantage framework that integrates elements of
informal social control and labeling theories, this article examines whether academic achievement serves as a positive turning
point and re-directs juvenile delinquents away from subsequent offending. Attention is also given to race/sex contingencies.
Using a sample of 4,147 delinquents released from Florida correctional institutions (86% male, 57% non-White, average age
at release = 16.8 years), propensity score analysis yielded two findings: youth with above average academic achievement while
incarcerated were significantly more likely to return to school post-release, and youth with above average attendance in public
school were significantly less likely to be re-arrested in the 1-year post-release period. While the academic gains were pronounced
among African-American males, the preventive effects of school attendance are similar across race and sex, suggesting that
education can be a part of a larger prevention effort that assists juvenile delinquents in successful community re-entry. 相似文献
95.
The proliferation of nongovernmental organizations across the developing world has sparked discussions of the “NGOization” of civil society and concern that NGOs have become increasingly uniform and internally homogenous. This article explores the evolution of NGOs in Guatemala since the 1960s and finds that NGOs historically and currently respond in diverse ways to external pressures—adjusting their strategies and actively attempting to shape their environment. Comparing two microcredit NGOs, it finds in addition that old and new models combine in unique organizational contexts in distinct ways. These two findings suggest that diversity is likely to persist among NGOs. 相似文献
96.
This article argues that an Islamist militant group with a relatively homogenous ethnic make-up is more likely to be supported by those of the same ethnicity even if the group makes no reference to and even downplays the importance of ethnicity. Using survey data from an original survey carried out in Pakistan in 2013, with 7,656 respondents, this hypothesis is tested in a multiple regression analysis of support for the Pakistani Taliban. The results demonstrate that co-ethnicity between the respondent and the Islamist militant group is the most important predictor of support for the militant group. 相似文献
97.
98.
99.
Political Behavior - As levels of residential economic segregation increase in the United States, politicians may have greater incentives to focus their attention on the demands of those living in... 相似文献
100.
Journal of Youth and Adolescence - 相似文献