全文获取类型
收费全文 | 799篇 |
免费 | 27篇 |
国内免费 | 2篇 |
出版年
2020年 | 6篇 |
2018年 | 13篇 |
2017年 | 16篇 |
2016年 | 26篇 |
2015年 | 14篇 |
2014年 | 11篇 |
2013年 | 86篇 |
2012年 | 29篇 |
2011年 | 32篇 |
2010年 | 15篇 |
2009年 | 13篇 |
2008年 | 17篇 |
2007年 | 20篇 |
2006年 | 27篇 |
2005年 | 20篇 |
2004年 | 28篇 |
2003年 | 17篇 |
2002年 | 29篇 |
2001年 | 8篇 |
2000年 | 14篇 |
1999年 | 13篇 |
1998年 | 23篇 |
1997年 | 10篇 |
1996年 | 16篇 |
1995年 | 10篇 |
1994年 | 8篇 |
1993年 | 9篇 |
1992年 | 13篇 |
1991年 | 14篇 |
1990年 | 11篇 |
1989年 | 14篇 |
1988年 | 12篇 |
1987年 | 11篇 |
1986年 | 11篇 |
1985年 | 15篇 |
1984年 | 12篇 |
1983年 | 13篇 |
1982年 | 10篇 |
1981年 | 14篇 |
1980年 | 9篇 |
1979年 | 11篇 |
1978年 | 16篇 |
1977年 | 11篇 |
1976年 | 15篇 |
1975年 | 6篇 |
1974年 | 6篇 |
1973年 | 6篇 |
1969年 | 5篇 |
1968年 | 7篇 |
1966年 | 8篇 |
排序方式: 共有828条查询结果,搜索用时 15 毫秒
151.
In recent decades, it has become more common for speed limits to be set for political reasons rather than for safety reasons. As a consequence, the motoring public seems to have increasingly begun questioning the rationality of speed limits. This is evident in observed speed data that show that the majority of drivers routinely exceed posted speed limits. A key motivating factor in drivers’ tendency to exceed the speed limit is that they believe that the excess speed does not threaten safety. This paper, specifically studies this matter by using a survey that asked drivers how fast above the speed limit they feel they can drive before safety is threatened. A probabilistic model is estimated using data gathered from 988 drivers in Indiana. Estimation findings show that drivers’ perception of the speed above the speed limit at which they will receive a speeding ticket is a critical determinant of what they believe is a safe speed – suggesting that enforcement plays an important role in safety perceptions. Other variables found to be significant factors in determining the speed above the speed limit at which safety is first threatened include age, gender, being previously stopped for speeding, and drivers’ ethnicity. 相似文献
152.
In this study, asymmetries in finding pictorial 3-D targets defined by their tilt and rotation in space were investigated by means of a free-scan search task. In Experiment 1, feature search for cube tilt and rotation, as assessed by a spatial forced-choice task, was slow but still exhibited a characteristic “flat” slope; it was also much faster to upward-tilted cubes and to targets located in the upper half of the search field. Faster search times for cubes and rectangular solids in the upper field, an advantage for upward-tilted cubes, and a strong interaction between target tilt and direction of lighting (upward or downward) for the rectangular solids were all demonstrated in Experiment 2. Finally, an advantage in searching for tilted cubes located in the upper half of the display was shown in Experiment 3, which used a present-absent search task. The results of this study confirm that the upper-field bias in visual search is due mainly to a biased search mechanism and not to the features of the target stimulus or to specific ecological factors. 相似文献
153.
Fred Pine 《The International journal of psycho-analysis》2001,82(5):901-916
In this paper, the proposition is developed that multi‐model thinking with respect both to theories of mind and to theories of technique has always been implicitly present in psychoanalytic practice as a response to the demands of the clinical moment. But this has gone unnoticed and untheorised, in part because it is hidden in general considerations regarding tact, timing and (less discussed) variations in voice tone and also because our psychoanalytic practices, without our awareness but as adaptations to the clinical moment, do not always match our theories. The author offers reasons from the broad culture of psychoanalysis why this is so. He also offers a conceptualisation and a strategy for raising the implicit and untheorised to heightened levels of awareness; he does this by highlighting the place of patient characteristics as the underpinning of theory variation and the place of a vast array of clinical possibilities as the backdrop of analytic listening. Clinical examples are used throughout. 相似文献
154.
Fred Wenstp 《Journal of Multi-Criteria Decision Analysis》2005,13(4):161-172
This paper discusses the paradigm of multi‐criteria decision analysis (MCDA), and relates it to other disciplines. It concludes that MCDA needs a larger, not smaller, emphasis on values and subjectivity to increase rationality in decision‐making. The paper bases the argument on a conciliation of ethics, philosophy, neuro‐psychology and management paradigms. It observes that the MCDA ‘mindset’ relates to consequentialism, as opposed to virtue ethics and rule based ethics. Virtues and rules play an important role in practical decision‐making, however. Findings in neuro‐psychology show that reliable decision‐making requires emotions. Elicitation of emotions is therefore required in MCDA value trade‐off processes. This leads to a concept of emotional rationality, which defines rationality as a four‐dimensional concept that includes well‐founded values and breaks radically with common notions of rationality. Virtues do not easily lend themselves to value trade‐off, but questions of virtue usually creates strong social emotions, as opposed to the feebler global emotions that may arise in connection conventional trade‐off of end values. The conclusion is that MCDA should not be shy of subjectivity and emotion, but instead put more emphasis on it to increase rationality. A part of this challenge is how to deal with questions of virtue in decision‐making. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
155.
156.
157.
R L Collins D E Kanouse A L Gifford J W Senterfitt M A Schuster D F McCaffrey M F Shapiro N S Wenger 《Health psychology》2001,20(5):351-360
Diet, exercise, smoking, and substance use patterns affect the course of illness and quality of life for people with HIV. In interviews with a national probability sample of 2,864 persons receiving HIV care, it was found that most had made health-promoting changes in one or more of these behaviors since diagnosis. Many reported increased physical activity (43%) and improved diet (59%). Forty-nine percent of cigarette smokers quit or cut down; 80% of substance users did so. Desire for involvement in one's HIV care and information seeking-positive coping were the most consistent correlates of change. Other correlates varied by health practice but included health status, emotional well-being, demographics, and attitudes toward other aspects of HIV care. Most people with HIV improve their health behavior following diagnosis, but more might be helped to do so by targeting these behaviors in future interventions. 相似文献
158.
Group membership is analyzed from the perspective of developmental theory. Maladaptive or nontransitional uses of the groups of everyday life, such as work and social groups as well as therapy groups, are discussed and illustrated with clinical examples. It is recommended that therapists pay attention to the nature and meaning of their patients' involvements in these sorts of groups, keeping in mind that the meanings of such affiliations are particularly influenced by developmental factors. 相似文献
159.
Fred E. Fiedler 《Journal of applied social psychology》1986,16(6):532-548
A recently proposed cognitive resource theory of leadership effectiveness explicates the role of such cognitive variables as intellectual abilities, technical competence, and job-relevant knowledge (experience) in determining group performance. This paper reviews research showing that the leaders' intellectual abilities contribute to performance only when leaders are directive, do not experience stress, have supportive groups, and work on tasks which require intellectual effort. 相似文献
160.
Irwin N. Sandler Stephen G. West Louise Baca David R. Pillow Joanne C. Gersten Fred Rogosch Lynn Virdin Janette Beals Kim D. Reynolds Carl Kallgren Jenn-Yun Tein Gary Kriege Eloise Cole Rafael Ramirez 《American journal of community psychology》1992,20(4):491-521
Conclusion We have illustrated how our small theory (Lipsey, 1990) of bereavement guided the development and evaluation of a preventive intervention for bereaved children. Our small theory, based on prior empirical research, enabled us to identify family processes that appeared to mediate the effects of parental death on child mental health. Our intervention was designed to attempt to change these processes. The evaluation of our experimental trial of the intervention assessed changes on these processes as well as the more distal mental health outcomes. The experimental trial showed some-what encouraging results, in terms of the program's ability to modify the warmth of the parent–child relationship and to decrease symptomatology in the adolescent children. We also obtained further empirical support for our underlying theoretical model. Finally, implications for redesign of the program were derived from assessing the adequacy of the program components to change each of the mediators in the theoretical model.Support for this research was provided by NIMH grant P5OMH39246 which is gratefully acknowledged. David R. Pillow is now at Western Psychiatric Institute, Pittsburgh; Fred Rogosch is at the University of Rochester; Janette Beals is now at University of Colorado Health Sciences Center; Kim D. Reynolds is now at the University of Alabama, Birmingham; Carl Kallgren is now at the Pennsylvania State University, at Erie; and Rafael Ramirez is now at the University of Puerto Rico. 相似文献