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   4198篇
  免费   125篇
各国政治   361篇
工人农民   135篇
世界政治   417篇
外交国际关系   299篇
法律   1640篇
中国共产党   1篇
中国政治   30篇
政治理论   1384篇
综合类   56篇
  2023年   13篇
  2022年   17篇
  2021年   40篇
  2020年   72篇
  2019年   73篇
  2018年   121篇
  2017年   152篇
  2016年   150篇
  2015年   95篇
  2014年   126篇
  2013年   727篇
  2012年   109篇
  2011年   132篇
  2010年   102篇
  2009年   137篇
  2008年   175篇
  2007年   173篇
  2006年   128篇
  2005年   130篇
  2004年   131篇
  2003年   108篇
  2002年   107篇
  2001年   81篇
  2000年   83篇
  1999年   76篇
  1998年   69篇
  1997年   65篇
  1996年   53篇
  1995年   66篇
  1994年   56篇
  1993年   52篇
  1992年   34篇
  1991年   60篇
  1990年   34篇
  1989年   52篇
  1988年   42篇
  1987年   40篇
  1986年   56篇
  1985年   24篇
  1984年   35篇
  1983年   39篇
  1982年   40篇
  1981年   29篇
  1980年   38篇
  1979年   26篇
  1978年   27篇
  1977年   22篇
  1976年   22篇
  1974年   22篇
  1973年   12篇
排序方式: 共有4323条查询结果,搜索用时 218 毫秒
171.
172.
Drawing on 438 telephone interview surveys in Australia and 500 in New Zealand, we find evidence of a 'participation divide' where those participating in politics do so using a range of means, including electronic ones. Those less likely to participate in politics, are less likely to participate across all means measured. Those with higher levels of education and income and of European ethnicity are more likely to participate. We confirm the existence of the so-called 'digital divide' with those that use e-government means and those that do not, being stratified by education, ethnicity, income, gender and age. Contrary to our expectations we find that lower levels of trust in government are associated with higher levels of some types of participation, including e-government ones.  相似文献   
173.
174.
There is limited research that has examined experimentally the effects of muscular images on adolescent boys’ body image, with no research specifically examining the effects of music television. The aim of the current study was to examine the effects of viewing muscular and attractive singers in music video clips on early, mid, and late adolescent boys’ body image, mood, and schema activation. Participants were 180 boys in grade 7 (mean age = 12.73 years), grade 9 (mean age = 14.40 years) or grade 11 (mean age = 16.15 years) who completed pre- and post-test measures of mood and body satisfaction after viewing music videos containing male singers of muscular or average appearance. They also completed measures of schema activation and social comparison after viewing the clips. The results showed that the boys who viewed the muscular clips reported poorer upper body satisfaction, lower appearance satisfaction, lower happiness, and more depressive feelings compared to boys who viewed the clips depicting singers of average appearance. There was no evidence of increased appearance schema activation but the boys who viewed the muscular clips did report higher levels of social comparison to the singers. The results suggest that music video clips are a powerful form of media in conveying information about the male ideal body shape and that negative effects are found in boys as young as 12 years.  相似文献   
175.
Suicide is a leading cause of death among adolescents, many of whom fail to disclose suicide concerns to adults who might help. This study examined patterns and predictors of help-seeking behavior among adolescents who seriously considered suicide in the past year. 2,737 students (50.9?% female, 46.9?% male; racial distribution 79.5?% Caucasian, 11.9?% Hispanic/Latino, and 3.6?% Black/African-American) from 12 high schools in rural/underserviced communities were surveyed to assess serious suicide ideation (SI) in the past year, disclosure of SI to adults and peers, attempts to get help, attitudes about help-seeking, perceptions of school engagement, and coping support. Help-seeking was defined as both disclosing SI to an adult and perceiving oneself as seeking help. The relationship between adolescents' help-seeking disclosure and (1) help-seeking attitudes and (2) perceptions of social resources was examined among suicidal help-seeking youth, suicidal non-help-seeking youth, and non-suicidal youth. Of the 381 (14?%) students reporting SI, only 23?% told an adult, 29?% sought adult help, and 15?% did both. Suicidal help-seekers were similar to non-suicidal peers on all measures of help-seeking attitudes and social environment perceptions. Positive attitudes about help-seeking from adults at school, perceptions that adults would respond to suicide concerns, willingness to overcome peer secrecy requests, and greater coping support and engagement with the school were associated with students' increased disclosure of SI and help-seeking. This study supports prevention strategies that change student norms, attitudes and social environments to promote help-seeking among adolescents with SI. Promising intervention targets include increasing students' perceptions of the availability and capability of adults to help them, and strengthening students' understanding of how existing resources can help them cope.  相似文献   
176.
This article examines the extent to which central bankers have been willing and able to rethink their beliefs about monetary policy in the wake of the global financial crisis. We show that despite the upheaval, the core pre‐crisis monetary policy paradigm remains relatively intact: central bankers believe that they should primarily pursue price stability through targeting a low inflation rate in a transparent manner, and that they need operational independence in order to achieve this goal. In a bid to address post‐crisis conditions and maintain their credibility, however, central bankers have also layered new elements onto this paradigmatic core. We document both the resilience of pre‐crisis beliefs and the process of layering using computer‐assisted text analysis and qualitative analysis of 13,586 speeches given between 1997 and 2017 by central bankers from around the world.  相似文献   
177.
ABSTRACT

This article analyses how the presence of a dominant group of voters within the electorate affects voter turnout. Theoretically, we argue that its absolute size affects turnout via increased free-riding incentives and reduced social pressure to vote within a larger dominant group. Its relative size compared to other groups within the electorate influences turnout through instrumental and expressive responses – in both the dominant and dominated groups – to the degree of electoral competition between groups. Empirical evidence from a large cross section of German municipalities is in line with these theoretical predictions. The observed effects should be taken into account when redesigning electoral jurisdictions through, for instance, municipal mergers or gerrymandering.  相似文献   
178.
Given that minority ethno-political organizations are generally weaker than states yet seek to change their policies or remove the ruling regime from power, why would negotiation occur? States prefer to ignore or repress such organizations, which typically have little to offer in return amidst negotiations that can legitimize them while delegitimizing the state. When a challenging organization establishes governing structures and controls movement in part of a state's territory, however, it can easily inflict significant economic and political costs on the state while also possessing a valuable asset to exchange for concessions. An organization with territorial control cannot be ignored, while the state will have a strong incentive to negotiate before the state loses more face, the group gains more legitimacy, neighboring states are more likely to invade, and the international community is more likely to formally recognize any facts on the ground as a new status quo. Our analysis of 118 organizations in the Middle East and North Africa from 1980–2004 reveals that territorial control is the most important determinant of intrastate negotiation. In regards to existing scholarship, this suggests that a certain type of successful violence works—not all violence and not only nonviolence—while certain types of strong organizations—those that control territory—are more likely to reach negotiations with the state than weak ones.  相似文献   
179.
Agentic orientations developed in adolescence have been linked to better health, well-being, and achievements in the years following. This study examines longitudinal parental influences on the development of adolescent children’s agentic orientations, captured by the core constructs of mastery beliefs and generalized life expectations. Drawing on multigenerational panel data from the United States (1991–2011), the study examines contemporaneous family factors, but also how parental biographies (their own transition to adulthood) and parents’ own adolescent agentic orientations influence their adolescent children. Study adolescents were 46% male, 52% white, and 15.6 years old on average. The findings indicate that parents’ early orientations and experiences in the transition to adulthood have little effect on their children’s mastery beliefs, but that parents’ generalized life expectations (in adolescence) and having married before having the child were associated with their children’s more optimistic life expectations. Contemporaneous family income and optimistic expectations among parents-as-adolescents were somewhat substitutable as positive influences on adolescents’ optimistic life expectations. The findings contribute to our understanding of intergenerational and over-time influences on these key adolescent orientations.  相似文献   
180.
The new reproductive technologies have made possible various postmodern family forms. I highlight an emerging form that has received little attention: single fathers by choice (SFCs), created by single men using egg donation and surrogacy. I focus on heterosexual SFCs, which have been largely ignored in the scholarly literature even as gay and lesbian parenthood have increasingly become topics of feminist inquiry. This type of fatherhood raises several important questions for gender and family scholars about the ‘traditional’ family, the relationship between masculinity and fatherhood, and men’s own desires for parenthood without a female partner. I analyze US media framing to explore cultural sense-making of SFCs. While media framing cannot tell us about men’s lived experiences as intentional single fathers, it does point to larger discourses that potentially impact these men as they engage in non-normative fathering. I identify three core themes within the media frames: (1) viewing men and women as similar, but ultimately different, (2) addressing the tension between bachelorhood and fatherhood, and (3) representing the gender of paternal desire in multiple, conflicting ways. Overall, I argue that further investigations of SFCs can illuminate issues about men’s desires for children and agency in becoming fathers.  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