全文获取类型
收费全文 | 4925篇 |
免费 | 1473篇 |
出版年
2021年 | 89篇 |
2020年 | 110篇 |
2019年 | 398篇 |
2018年 | 301篇 |
2017年 | 426篇 |
2016年 | 406篇 |
2015年 | 363篇 |
2014年 | 329篇 |
2013年 | 659篇 |
2012年 | 330篇 |
2011年 | 267篇 |
2010年 | 285篇 |
2009年 | 258篇 |
2008年 | 261篇 |
2007年 | 161篇 |
2006年 | 150篇 |
2005年 | 166篇 |
2004年 | 136篇 |
2003年 | 133篇 |
2002年 | 146篇 |
2001年 | 121篇 |
2000年 | 125篇 |
1999年 | 82篇 |
1998年 | 32篇 |
1997年 | 24篇 |
1996年 | 29篇 |
1995年 | 19篇 |
1994年 | 24篇 |
1993年 | 15篇 |
1992年 | 25篇 |
1991年 | 31篇 |
1990年 | 27篇 |
1989年 | 24篇 |
1988年 | 24篇 |
1987年 | 30篇 |
1986年 | 19篇 |
1985年 | 23篇 |
1984年 | 22篇 |
1983年 | 14篇 |
1982年 | 15篇 |
1980年 | 15篇 |
1979年 | 21篇 |
1974年 | 18篇 |
1973年 | 18篇 |
1972年 | 15篇 |
1971年 | 20篇 |
1968年 | 19篇 |
1967年 | 17篇 |
1966年 | 19篇 |
1965年 | 17篇 |
排序方式: 共有6398条查询结果,搜索用时 125 毫秒
51.
Hardware and software modifications are presented that allow for collection and recognition by a Commodore computer of spoken responses. Responses are timed with millisecond accuracy and automatically analyzed and scored. Accuracy data for this device from several experiments are presented. Potential applications and suggestions for improving recognition accuracy are also discussed. 相似文献
52.
53.
Marlene F. Watson PhD 《Contemporary Family Therapy》1993,15(1):21-31
A major critical issue in marriage and family therapy today is the professionalization of the discipline. Thus the focus on training individuals for a career in marriage and family therapy necessitates the revisitation of the debate over personal growth versus skill development. The trend toward training the person of the therapist, however, would suggest that the field is moving toward the integration of self awareness and skill in the therapeutic system. With the popularization of training the person of the therapist comes other issues, challenges, and dilemmas for the field, including the crucial issue of training gender and culturally sensitive therapists. The potential for creating dual relationships when training the person of the therapist is both a dilemma and a challenge. 相似文献
54.
An X Windows software tool for the construction of faces with a weighted combination of eigenvectors is described. The eigenvectors were extracted from an autoassociative matrix that comprised 100 face images. The program input consists of eigenvectors and sets of weights that describe individual faces and combines these to create face images. The tool creates a panel of buttons that permits the display of individual eigenvectors and the display of an average face as well. Facilities for on-line changes to the intensity of individual eigenvectors can be used to change the appearance of a face. Previously, O’Toole, Abdi, Deffenbacher, and Bartlett (1991) have shown that the intensity of certain individual eigenvectors contains reliable information for determining the sex and race of the face. 相似文献
55.
Christopher R. Agnew Vaida D. Thompson Valerie A. Smith Richard H. Gramzow David P. Currey 《Journal of applied social psychology》1993,23(24):2013-2042
A proximal-distal theoretical framework was developed to examine the multivariate roots of homophobia. Using data from a sample of 288 undergraduates who had participated in a computer-assisted panel study over a three-year period, the effects on homophobia of distal and proximal family factors (e. g., parental education and family environment), distal and proximal individual factors (e. g., personality constructs and current beliefs), and proximal individual-situational factors (e. g., acquaintance with homosexuals) were tested in regression analyses. Both analyses employing sets of variables varying in proximity to the homophobic attitude and hierarchical regression employing variables contributing significantly in each set supported the proposed framework. All sets predicted significantly when regressed separately on homophobia; the sets containing the distal factors contributed most weakly, and the sets containing the proximal factors contributed most strongly. In hierarchical regression analysis, this pattern maintained such that the incremental increase in r2 decreased with the addition of each more distal set, with the most distal factors failing to contribute significantly to the prediction. The importance of study findings for attitude change efforts is discussed. 相似文献
56.
Memory & Cognition - The use of different types of partial temporal information is shown to affect dating accuracy and the distribution of errors in event dating. Several different types of... 相似文献
57.
Measurement and mismeasurement of mood: recurrent and emergent issues 总被引:12,自引:0,他引:12
The affective explosion in psychology has led to tremendous advances in mood measurement. Mood ratings reflect a hierarchical structure consisting of two broad dimensions-Positive Affect and Negative Affect-and multiple specific states. Brief scales have been developed that reliably assess Positive and Negative Affect across different populations and time frames, in both between- and within-subject data. We examine controversies related to (a) the content of these higher order scales and (b) the independence of Positive and Negative Affect. Regarding the latter, we show that Positive and Negative Affect scales remain largely independent across a wide range of conditions, even after controlling for random and systematic error. Finally, there remains little consensus regarding the lower order structure of affect. This lack of a compelling taxonomy has substantially slowed progress in assessing mood at the specific affect level. 相似文献
58.
59.
Gary Watson 《Philosophical Studies》1995,77(2-3):261-271
60.
Evan Thompson 《Synthese》1995,104(1):1-32
Computational models of colour vision assume that the biological function of colour vision is to detect surface reflectance. Some philosophers invoke these models as a basis for externalism about perceptual content (content is distal) and objectivism about colour (colour is surface reflectance). In an earlier article (Thompson et al. 1992), I criticised the computational objectivist position on the basis of comparative colour vision: There are fundamental differences among the colour vision of animals and these differences do not converge on the detection of any single type of environmental property. David R. Hilbert (1992) has recently defended computational objectivism against my comparative argument; his arguments are based on the externalist approach to perceptual content originally developed by Mohan Matthen (1988) and on the computationally inspired theory of the evolutionary basis for trichromacy developed by Roger N. Shepard (1990). The present article provides a reply to Hilbert with extensive criticism of both Matthen's and Shepard's theories. I argue that the biological function of colour vision is not to detect surface reflectance, but to provide a set of perceptual categories that can apply to objects in a stable way in a variety of conditions. Comparative research indicates that both the perceptual categories and the distal stimuli will differ according to the animal and its visual ecology, therefore externalism and objectivism must be rejected.Versions of this article were read to the Department of Philosophy at the University of Chicago and to the Department of Philosophy at Boston University. I am grateful to the audiences for the discussions that ensued. I am also grateful to an anonymous referee for constructive criticism of certain points in the article. Special thanks are due to my comparative colour vision collaborators, Adrian Palacios and Francisco Varela. 相似文献