全文获取类型
收费全文 | 9089篇 |
免费 | 718篇 |
国内免费 | 369篇 |
出版年
2024年 | 26篇 |
2023年 | 189篇 |
2022年 | 127篇 |
2021年 | 171篇 |
2020年 | 360篇 |
2019年 | 403篇 |
2018年 | 362篇 |
2017年 | 389篇 |
2016年 | 345篇 |
2015年 | 259篇 |
2014年 | 364篇 |
2013年 | 1165篇 |
2012年 | 167篇 |
2011年 | 343篇 |
2010年 | 311篇 |
2009年 | 382篇 |
2008年 | 477篇 |
2007年 | 475篇 |
2006年 | 503篇 |
2005年 | 415篇 |
2004年 | 353篇 |
2003年 | 252篇 |
2002年 | 227篇 |
2001年 | 162篇 |
2000年 | 168篇 |
1999年 | 156篇 |
1998年 | 121篇 |
1997年 | 94篇 |
1996年 | 77篇 |
1995年 | 72篇 |
1994年 | 63篇 |
1993年 | 56篇 |
1992年 | 46篇 |
1991年 | 27篇 |
1990年 | 28篇 |
1989年 | 29篇 |
1987年 | 20篇 |
1985年 | 130篇 |
1984年 | 131篇 |
1983年 | 107篇 |
1982年 | 91篇 |
1981年 | 69篇 |
1980年 | 77篇 |
1979年 | 75篇 |
1978年 | 96篇 |
1977年 | 58篇 |
1976年 | 47篇 |
1975年 | 32篇 |
1974年 | 24篇 |
1973年 | 28篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
161.
The 30-item Trainee Adjustment to Program Stress (TAPS) scale was developed to measure lifestyle stress of family therapy trainees. Initially, 70 items were generated from propositional statements based on four constructs. Following pilot testing, 329 out of 900 (37%) student members of the American Association for Mariage and Family Therapy (AAMFT) returned TAPS questionnaires. Internal consistency reliability analyses and principal components and factor analyses produced a final 30 item TAPS scale appropriate for use in family therapy training programs. Reliability and validity measures are reported. 相似文献
162.
Phoebe Chang MSSW 《Contemporary Family Therapy》1996,18(4):489-505
Practitioners in Hong Kong have shown an increasing interest in various family therapy approaches since the 1980s. This paper offers a critique of the major concepts and techniques of the Satir model applied to families in Hong Kong. Cultural considerations are examined in relation to the family structure and hierarchy, the Chinese self and self-esteem, communication patterns, and family rules. Implications for the application of the Satir model of family therapy in Hong Kong are discussed. 相似文献
163.
Students in a residential special school for children with emotional and behavioral disorders participated in a study designed to reduce their levels of inappropriate behavior. The residential care staff rated the students' behavioral problems and their class teachers rated their overt self-esteem pre and post intervention. In addition, the students completed self-ratings of their self-esteem. The students were divided into two groups, experimental and control. A multiple baseline across behaviors design was used to assess behavioral changes in the experimental group. Both groups received tangible rewards to the same level but only the experimental group received them contingent upon behaving appropriately. Results showed that the experimental group students made substantial reductions in their levels of inappropriate behavior, which were maintained at a three-month followup. Also, ratings of their behavioral problems by residential child care staff suggested that this improvement in behavior had generalized beyond the classroom to the residential setting. However, no significant differences were found between the pre- and post-intervention ratings of their self-esteem or teacher ratings of their overt self-esteem. 相似文献
164.
Steiner D 《Science and engineering ethics》1996,2(4):457-468
Individual and institutional conflict of interests in biomedical research have becomes matters of increasing concern in recent
years. In the United States, the growth in relationships — sponsored research agreements, consultancies, memberships on boards,
licensing agreements, and equity ownership — between for-profit corporations and research universities and their scientists
has made the problem of conflicts, particularly financial conflicts, more acute. Conflicts can interfere with or compromise
important principles and obligations of researchers and their institutions, e.g., adherence to accepted research norms, duty
of care to patients, and open exchange of information. Disclosure is a key component of a successful conflict policy. Commitments
which conflict with a faculty member's primary obligations to teaching, research, administrative responsibilities, or patient
care also need attention. Institutional conflict of interests present different problems, some of which are discussed in an
analysis of an actual problem posed by two proposed clinical trials.
This paper is adapted from a lecture presented to a Symposium on Scientific Integrity, Warsaw, Poland, 23 November 1995.
Daniel Steiner was Vice-President and General Counsel of Harvard University (1972–92) and in that capacity became familiar
with conflict of interest issues. He is currently Counsel to the Boston law firm. Ropes and Gray, and is Adjunct Lecturer
in Public Policy at the John F. Kennedy School of Government. Harvard University. 相似文献
165.
166.
Previous studies have shown that unexplained deviations in maternal serum multiple marker screening (MMS) generate considerable anxiety during the remainder of pregnancy. While the role of education in decreasing anxiety is documented, to date there has been no prospective evaluation of which educational practices might minimize this emotional stress. In a pilot study, we prospectively examined the effects on anxiety and knowledge by providing information about MMS (1) by genetic counselor, (2) by pamphlet, and (3) by primary physician. Women randomized to one of these three modalities were administered the Spielberger State- Trait Anxiety Inventory [STAI] and knowledge questionnaires at their initial obstetrics visit, at their second visit after educational intervention and 1–2 weeks after MMS results were provided to patients. Education resulted in an increase in knowledge and post-education knowledge was different between educational modalities. Anxiety declined in patients educated through genetic counseling or a pamphlet. 相似文献
167.
Patients with chronic stress and ambiguous symptoms are likely to be more frequent in primary care. Somatizers represent 75.8% of the patients in this study and executives 56% of the sample. Job stressors were present in 78.3% of executive men. This scenario suggests that the primary care physician has to be academically better prepared to fully understand and deal with stress problems in daily clinical practice. The physician must have skills to deal with stress at a curative and preventive level, extending those skills to the workplace. 相似文献
168.
William Bechtel 《Cognitive Science》1985,9(4):473-497
One of Dennett's principal arguments for an instrumentalistic construal of intentional attributions (e.g., attributions of belief, etc.) is that such attributions are environment relative. I argue that one can and should adopt a realist perspective toward such attributions, but accommodate their environmental relativity by treating intentional properties as relational properties. By doing so one acquires a useful perspective on experimental cognitive psychology; in particular, one can overcome the temptation to treat ecological accounts and information processing accounts as incompatible alternatives and come to see them as mutually supportive. Treating intentional properties as relational may be counter-intuitive, but I provide examples of how other sciences have had to treat what seem to be intrinsic properties as relational. 相似文献
169.
Sara M. Freedman James S. Phillips 《Organizational behavior and human decision processes》1985,35(3):397-416
Situational performance constraints, task interest, and pay contingencies were manipulated in a laboratory study in order to investigate the cognitive mechanisms associated with the previously observed detrimental effects of constraints on affective task reactions. It was hypothesized that feelings of task competence and self-determination would account for both the direct and the interactive effects of constraints on motivation and satisfaction. The results of the study indicated that despite the fact that participants' performance was being constrained and they were aware of these constraints, the mere presence of the constraints alone failed to result in lower levels of satisfaction or motivation on a proofreading task. Post hoc analyses suggested that the constraints, in fact, led to negative affective task reactions when they also reduced participants' feelings of competence and self-determination. Interestingly, participants' generalized locus of control was associated with such effects. Internals tended to maintain stronger feelings of competence and self-determination than externals in the presence of constraints, thereby also maintaining greater motivation and satisfaction. 相似文献
170.
Dianna L Stone Eugene F Stone 《Organizational behavior and human decision processes》1985,36(2):167-185
The present study, employing a 2 × 2 true-experimental design and regression analyses assessed the main and interactive effects of feedback consistency (consistent vs inconsistent), and feedback favorability (acceptable vs superior), for feedback given at two time periods on measures of perceived feedback accuracy and self-perceived task competence. Among the study's findings were that (a) the perceived accuracy of feedback at the second period was a function of the favorability of feedback received at the first time period, (b) the self-perceived task competence levels of subjects were jointly determined by the favorability of feedback received at both time periods, and (c) the perceived accuracy of feedback was a function of its consistency. Organizational implications of the study's results are offered. 相似文献