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   453篇
  免费   24篇
各国政治   15篇
工人农民   61篇
世界政治   57篇
外交国际关系   14篇
法律   266篇
中国政治   10篇
政治理论   52篇
综合类   2篇
  2024年   1篇
  2023年   4篇
  2022年   5篇
  2021年   3篇
  2020年   15篇
  2019年   14篇
  2018年   25篇
  2017年   16篇
  2016年   20篇
  2015年   13篇
  2014年   24篇
  2013年   72篇
  2012年   21篇
  2011年   13篇
  2010年   14篇
  2009年   29篇
  2008年   24篇
  2007年   28篇
  2006年   20篇
  2005年   25篇
  2004年   14篇
  2003年   12篇
  2002年   15篇
  2001年   5篇
  2000年   2篇
  1999年   7篇
  1998年   4篇
  1997年   3篇
  1996年   2篇
  1995年   1篇
  1994年   4篇
  1993年   2篇
  1992年   6篇
  1991年   5篇
  1990年   1篇
  1989年   1篇
  1988年   1篇
  1985年   2篇
  1984年   1篇
  1983年   1篇
  1980年   2篇
排序方式: 共有477条查询结果,搜索用时 15 毫秒
281.
282.
The current study modeled trajectories of substance use from ages 15 to 20 among 1,095 male serious juvenile offenders (M age = 16.54; 42% African-American, 34% Latino, 20% European-American, and 4% other ethnic/racial backgrounds) and prospectively predicted trajectories from risk and protective factors before and after controlling for time spent in a supervised setting. Results indicated that supervised time suppressed age-related growth in substance use. Trajectories of offenders with no supervised time and low levels of supervised time increased in substance use across age, whereas offenders with high levels of supervised time showed no growth. Almost all risk and protective factors had effects on initial substance use but only adolescent history of substance use, impulse control, and psychosocial maturity had an effect on change in substance use over time. Findings highlight the importance of formal sanctions and interventions superimposed on normal developmental processes in understanding trajectories of substance use among serious juvenile offenders.
Delfino Vargas-ChanesEmail:

Anne Marie Mauricio,   Ph.D., is a research faculty member at the Prevention Research Center at Arizona State University. She received her Ph.D. in Counseling Psychology from Michigan State University. Her major research interests include interpersonal violence and preventative interventions for substance use, academic disengagement, and mental health disorders. Michelle Little,   Ph.D., is an Assistant Professor at the University of Texas at San Antonio. She received her Ph.D. in Developmental Psychology from Temple University. Her major research interests include prevention of externalizing disorders. Laurie Chassin,   Ph.D., is a Regents Professor of Psychology at Arizona State University. She received her Ph.D. in Clinical Psychology from Teachers College, Columbia University. Her major research interests include the development and intergenerational transmission of alcohol, tobacco, and other drug use and substance use disorders. George P. Knight,   Ph.D., is a Professor in the Department of Psychology at Arizona State University. He received his Ph.D. in 1980 from the University of California at Riverside. His research interests include cultural adaptation in immigrant and minority youth and adults as well as methodological issues associated with research on ethnic minority families. Alex R. Piquero,   Ph.D., is presidential scholar and professor in the Department of Criminology & Criminal Justice at the University of Maryland College Park. He received his Ph.D. in Criminology from the University of Maryland College Park in 1996. His major research interests include criminal careers, criminological theory, and quantitative research methods. Sandra H. Losoya,   Ph.D., is a research assistant professor of psychology at Arizona State University. She received her Ph.D. in developmental psychology, specializing in socio-emotional development, from the University of Oregon. Her research interests include individual differences in emotional responding and coping, and sources of resilience in high-risk children. Delfino Vargas-Chanes,   Ph.D., is research faculty member in the Department of Psychology at Arizona State University. He received his Ph.D. in Sociology from Iowa State University. His major research interests include development of measurement instruments, structural equation modeling, multilevel modeling and advanced statistical analyses applied to social and behavioral sciences.  相似文献   
283.
284.
This essay frames an original mad lib representing a conversation between two friends about romance novels. The author attempts to locate a path to feminism in romance-novel culture in the communities built around a commonality of shame wrought by reading these books. She argues that this shame both draws readers together and undermines the explicit goals of the mainstream romance publishing industry. She asks readers to join in by completing the included mad lib with a friend.  相似文献   
285.
286.
287.
288.
Chemical composition of fingerprints for gender determination   总被引:3,自引:0,他引:3  
This work investigates the chemical nature of fingerprints to ascertain whether differences in chemical composition or the existence of chemical markers can be used to determine personal traits, such as age, gender, and personal habits. This type of information could be useful for reducing the pool of potential suspects in criminal investigations when latent fingerprints are unsuitable for comparison by traditional methods. Fingertip residue that has been deposited onto a bead was extracted with a solvent such as chloroform. Samples were analyzed by gas chromatography/mass spectrometry (GC/MS). The chemical components identified include fatty acids, long chain fatty acid esters, cholesterol and squalene. The area ratios of ten selected components relative to squalene were calculated for a small preliminary experiment that showed a slight gender difference for three of these components. However, when the experiment was repeated with a larger, statistically designed experiment no significant differences between genders were detected for any of the component ratios. The multivariate Hotelling's T2 test that tested all ten-component ratios simultaneously also showed no gender differences at the 5% significance level.  相似文献   
289.
ABSTRACT

Attempts to enhance episodic retrieval focus largely on verbal strategies which do not always address the limited or impaired free recall ability of vulnerable witnesses. Asking a witness to draw while recalling episodic information has long been deemed an effective method of improving communication and cognitive performance. Thus far, research has revealed these effects within laboratory settings but with scarce attention paid to real-life interview practice. In this paper, we explore police officers’ and Registered Intermediaries’ use of drawing during investigative interviews with vulnerable witnesses. A sample of specialist practitioners (n?=?85), comprising of vulnerable witness interviewing police officers (n?=?50) and Registered Intermediaries (n?=?35) completed a self-report questionnaire. As expected, frequent use of drawing was reported by both practitioner groups, and there was a positive correlation between reported use and perceived effectiveness. There were similarities between groups in reported techniques employed when using drawing, but some differences were apparent and these were attributed to the differing functions in police and Registered Intermediary roles. Overall, a consensus between empirical research and practice is evident, but these findings warrant further exploration in order to establish whether such practice is wide-spread.  相似文献   
290.
Abstract

The United Nations Convention on the Rights of the Child entered into force in 1990. It condemns child marriage, violence and discrimination against children and enjoins tutelage for their education and health. Implementing such principles in national legislation sometimes conflicts with local norms relating to respect for cultural and religious traditions. This was the case of Trinidad and Tobago, a multicultural and multi-religious society that legally sanctioned child marriage until 2017. The paper makes two unique contributions to the literature. First, using the literature on child marriage and the obligations under international conventions, the paper creates a child marriage conceptual framework with the main normative positions on child marriage. Second, using the framework, it explores the normative motivations underlying the domestic legal reform debates held in parliament between 2015–2017. The paper uses the conceptual framework to explain the transformations in the traditional positions of local religious and ethnic groups, provides evidence of norm penetration from the international to a local multicultural setting and furthers the literature on international human rights norm penetration and contestation.  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