首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1566篇
  免费   65篇
各国政治   85篇
工人农民   190篇
世界政治   149篇
外交国际关系   97篇
法律   736篇
中国政治   13篇
政治理论   350篇
综合类   11篇
  2023年   6篇
  2022年   15篇
  2021年   20篇
  2020年   62篇
  2019年   62篇
  2018年   76篇
  2017年   78篇
  2016年   73篇
  2015年   60篇
  2014年   54篇
  2013年   264篇
  2012年   59篇
  2011年   55篇
  2010年   48篇
  2009年   53篇
  2008年   54篇
  2007年   51篇
  2006年   38篇
  2005年   54篇
  2004年   40篇
  2003年   43篇
  2002年   46篇
  2001年   31篇
  2000年   38篇
  1999年   25篇
  1998年   22篇
  1997年   17篇
  1996年   17篇
  1995年   18篇
  1994年   10篇
  1993年   16篇
  1992年   13篇
  1991年   6篇
  1990年   11篇
  1989年   13篇
  1988年   14篇
  1987年   10篇
  1986年   9篇
  1985年   6篇
  1984年   9篇
  1983年   5篇
  1982年   6篇
  1981年   3篇
  1980年   2篇
  1979年   5篇
  1978年   3篇
  1977年   3篇
  1975年   2篇
  1974年   2篇
  1969年   2篇
排序方式: 共有1631条查询结果,搜索用时 15 毫秒
961.
Stakeholders agree on the need to promote innovation in work organization in public services. This article deploys the concept of collaborative innovation to discuss employees' and managers' experiences of a major technology‐driven work redesign project within National Health Service pharmacy services in Scotland. The authors draw on extant literature on New Public Management (NPM) and collaborative approaches to innovation to frame more than 40 in‐depth interviews with managers and employees. They find that key components of collaborative innovation—related to joint problem‐solving, interdisciplinary working, and mutual learning—were important to the success of the redesign project and had positive impacts on job quality for some employees. The authors argue that researchers and policy makers should look beyond NPM‐driven models that have dominated some areas of the public innovation literature to consider the potential added value of collaborative innovation to improving both work and service delivery in the public sector.  相似文献   
962.
The use of savings products to promote financial inclusion has increasingly become a policy priority across sub‐Saharan Africa, yet little is known about how families respond to varying levels of savings incentives and whether the promotion of incentivized savings in low‐resource settings may encourage households to restrict expenditures on basic needs. Using data from a randomized controlled trial in Uganda, we examine: (1) whether low‐income households enrolled in an economic‐empowerment intervention consisting of matched savings, workshops, and mentorship reduced spending on basic needs and (2) how varied levels of matching contributions affected household savings and consumption behavior. We compared primary school‐attending AIDS‐affected children (N = 1,383) randomized to a control condition with two intervention arms with differing savings‐match incentives: 1:1 (Bridges) and 1:2 (Bridges PLUS). We found that: (1) 24 months post‐intervention initiation, children in Bridges and Bridges PLUS were more likely to have accumulated savings than children in the control condition; (2) higher match incentives (Bridges PLUS) led to higher deposit frequency but not higher savings in the bank; (3) intervention participation did not result in material hardship; and (4) in both intervention arms, participating families were more likely to start a family business and diversify their assets.  相似文献   
963.
Government performance measurement is often faulted for focusing on outputs, while citizens are said to demand more information on outcomes to hold government accountable. To compare the influence of these measures, we randomized 774 participants to receive outcome or output information about a real HIV prevention program, with or without cost information, in a survey experiment. Citizens expressed less support for spending on the program when shown outcomes (infections prevented), rather than outputs (people served). Showing participants the high cost of treating HIV/AIDS boosted support for program spending, but did not make outcome information more persuasive. We interpret these results as partly a reaction to the high per-unit cost of an outcome in an HIV prevention program. But it may reflect a tendency of citizens simply to misinterpret less costly outputs, including serving more people, as if these were outcomes. This bias has implications for performance reporting and accountability.  相似文献   
964.
Contrarily to most studies of the antecedents of public service motivation (PSM) focusing on the proximal work environment or personal characteristics, we seek to explore plausibly important deep antecedents of PSM that lie in the formative years of a person’s upbringing. Using an online survey of public service professionals that asked detailed background questions, we find that three deep antecedents are associated with lower overall PSM and its constitutive elements: growing up in a religious family, growing up in a family with a conservative point of view, and (surprisingly) being raised by a parent who served in the military.  相似文献   
965.
While prior research has identified multiple associations between engagement in sexting and risky behaviors, most existing studies do not take into account the contexts in which sexting occurs. The present study extends prior research by examining whether the associations between adolescents’ sexting behavior and engagement in substance use, sexual behaviors, and deviant behaviors differ depending on the relational context (within or outside of a romantic relationship) in which young people engage in sexting. Results from a survey of 1187 secondary school students (61.3% girls, n?=?728) between 16 and 22 years old (M?=?17.82 years; SD?=?0.88) revealed that sexting with a romantic partner is not a significant marker of engagement in risk behaviors. However, single youth who engage in sexting outside of a romantic relationship are more likely to report substance use, relative to their non-sexting counterparts. These findings underscore the need to use more nuanced measures to investigate sexting and for sexual education initiatives to integrate messages about substance use.  相似文献   
966.
The lack of convergence towards liberal democracy in some African countries reflects neither a permanent state of political aberration, nor necessarily a prolonged transitional phase through which countries pass once the “right” conditions are met. Examining the cases of two ruling parties, the Rwandan Patriotic Front (RPF) and the African National Congress in South Africa, we develop the concept of productive liminality to explain countries suspended (potentially indefinitely) in a status “betwixt and between” mass violence, authoritarianism, and democracy. On the one hand, their societies are in a liminal status wherein a transition to democracy and socio-economic “revolution” remains forestalled; on the other hand, this liminality is instrumentalized to justify the party’s extraordinary mandate characterized by: (a) an idea of an incomplete project of liberation that the party alone is mandated to fulfil through an authoritarian social contract, and (b) the claim that this unfulfilled revolution is continuously under threat by a coterie of malevolent forces, which the party alone is mandated to identify and appropriately sanction.  相似文献   
967.
We introduce a Downsian model in which policy‐relevant information is revealed to the elected politician after the election. The electorate benefits from giving the elected politician discretion to adapt policies to his information. But limits on discretion are desirable when politicians do not share the electorate's policy preferences. Optimal political representation generally consists of a mixture of the delegate (no discretion) and trustee (full discretion) models. Ambiguous electoral platforms are essential for achieving beneficial representation. Nevertheless, electoral competition does not ensure optimal representation: The winning candidate's platform is generally overly ambiguous. While our theory rationalizes a positive correlation between ambiguity and electoral success, it shows that the relationship need not be causal.  相似文献   
968.
One main source of sexual socialization lies within family interactions. Especially sexuality-specific parenting may determine adolescents’ sexual development—adolescents’ sexual behavior and sexual risk behavior, sexualized media consumption and permissive sexual attitudes—to a significant extent, but different ideas exist about how this works. In this longitudinal study, we examined two hypotheses on how sexuality-specific parenting—parenting aimed specifically at children’s sexual attitudes and behaviors—relates to adolescents’ sexual development. A first buffer hypothesis states that parents’ instructive media discussions with their children—called instructive mediation—buffers the effect of sexualized media consumption on adolescents’ sexual attitudes and behavior and, vice versa, the effect of adolescents’ sexual attitudes and behavior on sexualized media consumption. A second brake hypothesis states that parents, by communicating love-and-respect oriented sexual norms, slow down adolescents’ development toward increased sexualized media use, permissive sexual attitudes, and sexual behavior and sexual risk behavior. Using four-wave longitudinal data from 514 Dutch adolescents aged 13–16 years (49.8% female), we found evidence to support a brake effect. More frequent parental communication of love-and-respect oriented sexual norms was associated with less permissive sexual attitudes and, for boys, with less advanced sexual behavior and a less rapid increase in sexual risk behavior. Parents’ instructive mediation regarding adolescents’ sexualized media consumption was associated with less permissive sexual attitudes at baseline, but only for girls. No systematic evidence emerged for a buffer effect of parents’ instructive mediation. In conclusion, although our data seem to suggest that parent–child communication about sex is oftentimes “after the fact”, we also find that more directive parental communication that conveys love-and-respect oriented sexual norms brake adolescents’ move toward sexual maturity.  相似文献   
969.
Civic developmental theory anticipates connections between normative developmental competencies and civic engagement, but little previous research has directly studied such links. The current study sought to contribute to civic development theory by examining associations between emotional and sociocognitive competencies (empathy, emotion regulation, prosocial moral reasoning, future-orientation) and civic engagement (volunteering, informal helping, political behaviors and beliefs, environmental behaviors, social responsibility values, civic skills). Data came from a geographically and racially diverse sample of 2467 youth (Mage?=?13.4, Range: 8–20 years, 56% female). The results indicated that empathy and future-orientation significantly predicted nearly all forms of civic engagement, whereas emotion regulation and prosocial moral reasoning were uniquely associated with specific forms of civic engagement. Exploratory multi-group models indicated that empathy and emotion regulation were more strongly associated with civic engagement among younger youth and prosocial moral reasoning and future-orientation were more strongly related to civic engagement among older youth. The findings help to advance developmental theory of youth civic engagement.  相似文献   
970.
The implications of recent immigration for race relations in the United States depend importantly on family cultural orientations among Mexican Americans and how this group is culturally perceived by Anglos. Because Moynihan's 1965 work (in)famously emphasized the need to change black family culture in order to ameliorate black poverty, his work still holds implications for understanding how cultural orientations affect changing color lines. Unfortunately, his partially insightful analyses inadequately foresaw that policies designed to alleviate poverty through the modification of family cultural patterns are likely to fail without parallel changes in structural opportunities. Similar limitations also often emerge from mis-characterizations of Mexican origin family cultural situations, which all too often are incongruously reified as either being unduly familistic (thus falsely implying Mexican origin families foster self-sufficiency) or largely governed by culture of poverty tendencies (thus inaccurately suggesting Mexican origin families depend on welfare). Here we review research suggesting that Mexican origin families are neither substantially familistic nor disproportionately susceptible to moral hazard, thus indicating that future Mexican origin economic advancement is likely to turn on the availability of structural opportunities. In-depth interviews with Anglos further suggest that Mexicans are not culturally viewed with the same degree of prejudice and discrimination as blacks, implying that the integration of Mexicans into American society, contingent on adequate economic opportunity, will probably progress more steadily than often feared, while that of blacks may proceed more slowly than often expected.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号