全文获取类型
收费全文 | 19604篇 |
免费 | 1422篇 |
专业分类
各国政治 | 830篇 |
工人农民 | 751篇 |
世界政治 | 1318篇 |
外交国际关系 | 539篇 |
法律 | 13802篇 |
中国共产党 | 4篇 |
中国政治 | 140篇 |
政治理论 | 3487篇 |
综合类 | 155篇 |
出版年
2020年 | 419篇 |
2019年 | 448篇 |
2018年 | 562篇 |
2017年 | 633篇 |
2016年 | 650篇 |
2015年 | 546篇 |
2014年 | 537篇 |
2013年 | 2054篇 |
2012年 | 484篇 |
2011年 | 570篇 |
2010年 | 694篇 |
2009年 | 659篇 |
2008年 | 511篇 |
2007年 | 452篇 |
2006年 | 578篇 |
2005年 | 462篇 |
2004年 | 446篇 |
2003年 | 423篇 |
2002年 | 401篇 |
2001年 | 672篇 |
2000年 | 582篇 |
1999年 | 461篇 |
1998年 | 252篇 |
1997年 | 240篇 |
1996年 | 211篇 |
1995年 | 227篇 |
1994年 | 235篇 |
1993年 | 221篇 |
1992年 | 373篇 |
1991年 | 403篇 |
1990年 | 382篇 |
1989年 | 397篇 |
1988年 | 361篇 |
1987年 | 341篇 |
1986年 | 368篇 |
1985年 | 373篇 |
1984年 | 350篇 |
1983年 | 323篇 |
1982年 | 233篇 |
1981年 | 218篇 |
1980年 | 198篇 |
1979年 | 246篇 |
1978年 | 167篇 |
1977年 | 144篇 |
1976年 | 127篇 |
1975年 | 127篇 |
1974年 | 134篇 |
1973年 | 130篇 |
1972年 | 111篇 |
1968年 | 100篇 |
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
971.
Lorchen Heft Carl E. Thoresen Kathleen Kirmil-Gray Sue A. Wiedenfeld Jean R. Eagleston Paul Bracke Bruce Arnow 《Journal of youth and adolescence》1988,17(6):461-475
Emotional and behavioral correlates of Type A behavior in children and adolescents were examined in 184 fifth-, seventh-, and ninth-grade students, classified as high or low Type A, using self-report, teacher ratings (fifth grade only), and structured interview procedures. Measures included the Hunter-Wolf A-B Rating Scale, Behavioral Symptoms of Stress Inventory, Dimensions of Temperament Survey, Desire for Control Scale, Eysenck Personality Inventory, and the Multiple Affect Adjective Checklist. High Type A children reported significantly more stressed-related behaviors, higher levels of depression, anger, anxiety, and cognitive disorganization, and greater reactivity than Low Type A. No differences were found on measures of temperament (activity level, attention span, adaptibility, and rhythmicity), desire for control, or introversion-extroversion. Females, in general, reported significantly more behavioral stress symptoms. However, no other gender differences were found. Possible reasons for reported differences between Type A children and adults are discussed, along with gender differences in behavioral symptoms. Need for multiple measures of Type A across situation is considered along with need for controlled longitudinal studies of Type A components and the influence of contexts.Received Ph.D. from Stanford. Research interests: Adolescent problems, stress.Received Ph.D. from Stanford. Research interests: Type A, anger/hostility; AIDS prevention.Received Ph.D. from Stanford. Research interests: child & family problems, stress disorders.Received Ph.D. from Stanford. Research interests: psychoneuroimmunology.Received Ph.D. from Stanford. Research interests: pain disorders, stress.Received Ph.D. from Stanford.Received Ph.D. from Stanford. Research interests: anxiety and phobic disorders. 相似文献
972.
Andrea M. Rogow James E. Marcia Ben R. Slugoski 《Journal of youth and adolescence》1983,12(5):387-400
Eighty college males were given an expanded identity status interview which included two new interpersonal-sexual areas, “attitudes towards sexual expression” and “sex-role beliefs.” The relative contribution of the new content areas as well as of the standard three areas (occupation, religion, and politics) to overall identity status was assessed by noting the extent of correspondence. Identity status in each content area was also compared with performance on the dependent variable of cognitive complexity. Ideology contributed more than occupation both to overall status rating, as well as to discrimination on the dependent variable. Results on the two new areas supported the view that interpersonal-sexual concerns are important for men's identity development as well as for women's. The finding that all interview areas corresponded well with overall identity status and discriminated significantly on the dependent measure leads to the suggestion that the process variables of crisis and commitment may so overshadow a particular content area that any content of personal relevance for the late adolescent might be used in investigating ego identity development. 相似文献
973.
C. Johnson Ph.D. C. Lewis S. Love L. Lewis M. Stuckey 《Journal of youth and adolescence》1984,13(1):15-26
To investigate the incidence and correlates of bulimic behavior, 1268 high school females were surveyed. A 47-item questionnaire was used to identify a group of students that would meet the DSM-III criteria for a probable diagnosis of bulimia. Students were then compared across the four content areas of demographics; body perception and weight information; dieting, exercise and menstrual behavior; and frequency of bingeing and purging behavior. Results indicated that 4.9% of the students met rigorous criteria for the diagnosis of bulimia. Between-group comparisons indicated that body dissatisfaction, drive for thinness, and chronicity of dieting differentiated the two groups.This work was supported by Biomedical Research Grant #RR5476, the Sears Allstate Foundation, and the George and Tina Barr Foundation.Main interest is eating disorders. 相似文献
974.
975.
Hanlon Thomas E. Bateman Richard W. Simon Betsy D. O'Grady Kevin E. Carswell Steven B. 《Journal of youth and adolescence》2002,31(6):459-471
This paper presents the results of an evaluation of an early intervention, risk-reduction strategy versus a standard intervention approach in the treatment of inner-city youth at high risk of adopting a deviant lifestyle. It examines baseline and 1-year follow-up information provided by 408 youth admitted to 2 community-based Baltimore City Youth Bureaus offering counseling services for neighborhood youth referred for delinquent and other problematic behavior. In the study, one of these bureaus served as the experimental intervention clinic and the other as the control, or standard intervention, clinic. Outcome measures involved substance abuse; sexual activity; contact with juvenile authorities; and delinquent activity, including violence-related activity. Regression analyses of outcome measures revealed significant differential results for delinquent activity, which favored the experimental intervention. Relationships between risk/protective factors and outcome are discussed. 相似文献
976.
977.
This article describes a nationwide empirical study that will be undertaken during the next three years into the newly emerging phenomenon of genetic discrimination. In particular, the study aims to investigate the nature and extent of genetic discrimination in Australia across three key perspectives: consumers, third parties and the legal system. Further, the study aims to examine the social and legal implications of genetic discrimination, with a view to making recommendations for use in the Australian legal and policy context. It is anticipated that the data produced from this multifaceted investigation will assist in identifying areas where legal or other reforms are required. It will contribute significant baseline data for facilitating ongoing assessment of the nature and extent of the problem, as well as for longitudinal evaluation of the impact and effectiveness of any reforms which may be introduced in the future to address the issue. 相似文献
978.
979.
This article looks at the newly-issued JCAHO standards and their increased focus on patient safety in performance standards for healthcare organizations. As part of these standards, hospitals are required to inform patients of outcomes of care, including unanticipated outcomes. This article examines this requirement and suggests varying interpretations of it. After looking at the current legal and ethical standards requiring disclosure of errors or negligent acts, the article suggests that hospitals are faced with many difficulties in implementing the standard. Specifically, the article argues that more details are necessary regarding what events must be reported and what hospitals are required to do when members of the medical staff refuse to inform patients of medical error. 相似文献
980.
The conflicting outcome of the electoral and popular votes inthe 2000 presidential election provoked calls to abolish oralter the electoral college. One prominent criticism is thatthe institution distorts election outcomes by providing disproportionateinfluence to small states. If each state receives a number ofpresidential electors equal to that states' number of membersin the U.S. House of Representatives plus the two senators,then the "federalism bonus" represents the two electoral collegevotes that correspond to the position of each state as an equalentity in the Senate. This research examines how the "federalismbonus" influences presidential selection by addressing threequestions. First, why did the framers include a federal componentin the electoral college? Second, under what circumstances hasthe "federalism bonus" played a role in presidential selection?Third, how would the various alternatives for reform affectthe federal component of the electoral college, and what isthe likelihood of adoption for each? 相似文献