全文获取类型
收费全文 | 59632篇 |
免费 | 1164篇 |
国内免费 | 6篇 |
专业分类
60802篇 |
出版年
2018年 | 859篇 |
2017年 | 846篇 |
2016年 | 934篇 |
2015年 | 679篇 |
2014年 | 835篇 |
2013年 | 5077篇 |
2012年 | 1428篇 |
2011年 | 1516篇 |
2010年 | 1008篇 |
2009年 | 947篇 |
2008年 | 1460篇 |
2007年 | 1297篇 |
2006年 | 1232篇 |
2005年 | 1058篇 |
2004年 | 1042篇 |
2003年 | 1051篇 |
2002年 | 1045篇 |
2001年 | 1716篇 |
2000年 | 1652篇 |
1999年 | 1294篇 |
1998年 | 614篇 |
1996年 | 709篇 |
1995年 | 698篇 |
1994年 | 646篇 |
1993年 | 611篇 |
1992年 | 1282篇 |
1991年 | 1170篇 |
1990年 | 1153篇 |
1989年 | 1044篇 |
1988年 | 1072篇 |
1987年 | 1019篇 |
1986年 | 1043篇 |
1985年 | 1053篇 |
1984年 | 929篇 |
1983年 | 788篇 |
1982年 | 618篇 |
1981年 | 658篇 |
1979年 | 913篇 |
1978年 | 715篇 |
1976年 | 645篇 |
1975年 | 820篇 |
1974年 | 902篇 |
1973年 | 980篇 |
1972年 | 843篇 |
1971年 | 797篇 |
1970年 | 716篇 |
1969年 | 731篇 |
1968年 | 903篇 |
1967年 | 804篇 |
1966年 | 815篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
891.
John W. Kulig 《Behavior research methods》1995,27(1):65-72
A hardware and software interface system from International Data and Acquisition and Control, Inc. (IDAC) is reviewed. The IDAC system comes with spreadsheet software compatible for either Macintosh or IBM microcomputers. I prefer to use the IDAC hardware with my own software written in TrueBasic and spreadsheet macros. The entire system is easy to use and is currently in use for our undergraduate Learning Laboratory. 相似文献
892.
Louann Gerken Walter D. Murphy Richard N. Aslin 《Attention, perception & psychophysics》1995,57(4):475-486
Although infants have the ability to discriminate a variety of speech contrasts, young children cannot always use this ability in the service of spoken-word recognition. The research reported here asked whether the reason young children sometimes fail to discriminate minimal word pairs is that they are less efficient at word recognition than adults, or whether it is that they employ different lexical representations. In particular, the research evaluated the proposal that young children’s lexical representations are more “holistic” than those of adults, and are based on overall acoustic-phonetic properties, as opposed to phonetic segments. Three- and four-year-olds were exposed initially to an invariant target word and were subsequently asked to determine whether a series of auditory stimuli matched or did not match the target. The critical test stimuli were nonwords that varied in their degree of phonetic featural overlap with the target, as well as in terms of the position(s) within the stimuli at which they differed from the target, and whether they differed from the target on one or two segments. Data from four experiments demonstrated that the frequency with which children mistook a nonword stimulus for the target was influenced by extent of featural overlap, but not by word position. The data also showed that, contrary to the predictions of the holistic hypothesis, stimuli differing from the target by two features on a single segment were confused with the target more often than were stimuli differing by a single feature on each of two segments. This finding suggests that children use both phonetic features and segments in accessing their mental lexicons, and that they are therefore much more similar to adults than is suggested by the holistic hypothesis. 相似文献
893.
Enhancing possible selves in Mexican American students 总被引:3,自引:0,他引:3
Day Jeanne D. Borkowski John G. Punzo Diana Howsepian Barbara 《Motivation and emotion》1994,18(1):79-103
This project assessed the modifiability of possible selves in young Mexican American children. Three intervention conditions were compared in a pre- and posttest design: child-only intervention, parent and child intervention, and a no-intervention control. Following eight intervention sessions, children in the two intervention groups showed significant gains in understanding the characteristics associated with becoming a good student and in recognizing the value of education in bringing about future occupational goals. Children in the intervention conditions also reported greater interest in becoming a physician, judge, or pilot — occupations they had directly experienced during training. The parent intervention phase contributed little to augmenting the positive results attributable to the child intervention component.This research was conducted under the auspices of NIH Grant HD-24003. We wish to thank Maritza Robles and the staff of the Bilingual program of the South Bend, IN, Corporation for their support. 相似文献
894.
Robert F. Belli D. Stephen Lindsay Maria S. Gales Thomas T. McCarthy 《Memory & cognition》1994,22(1):40-54
The four experiments reported here provide evidence that (1) misleading postevent suggestions can impair memory for details in a witnessed event and (2) subjects sometimes remember sug-gested details as things seen in the event itself. All four experiments used recall tests in which subjects were warned of the possibility that the postevent information included misleading sug-gestions and were instructed to report both what they witnessed in the event and what was men-tioned in the postevent narrative. Recall of event details was poorer on misled items than on control items, and subjects sometimes misidentified the sources of their recollections. Our re-sults suggest that these findings are not due to guessing or response biases, but rather reflect genuine memory impairment and source monitoring confusions. 相似文献
895.
Gary D. Levy 《Sex roles》1994,30(5-6):391-405
Forty-nine 44- to 81-month-old predominantly white children's classification of and clustering in recall of gender-typed indoor and outdoor toys, and their gender schematicity, were assessed. Consistent with predictions, children high in gender schematicity demonstrated significantly greater clustering in their recall by gender type than children low in schematicity. As expected, all children demonstrated more accurate classification of same-sex than other-sex gender-typed toys in general. However, boys and girls showed distinctively different patterns in their abilities to accurately classify same-sex and other-sex indoor and outdoor gender-typed toys. Results are discussed in terms of the different social and play contexts inhabited by preschool boys and girls.Completion of this project was facilitated by funds received when the author was a National Institute of Mental Health Postdoctoral Fellow at the University of Denver; Grant 5T32 MH 15780-09, in addition to an Academic Challenge Award from the University of Toledo. This support is gratefully acknowledged. Special thanks to Maryjo Jones for her data collection efforts and to the faculty, children, and parents of Iliff Preschool of Denver, Colorado, and especially to Director Jean True for assisting in the completion of this research. Thanks also to Joan M. Barth, Narina N. Nightingale, Kathy A. Park, and Peg Hull-Smith for their comments on earlier versions of this article. A shorter version of this paper was presented at the Conference on Human Development, Richmond, Virginia, March 1990.To whom reprint requests should be addressed at Department of Psychology, University of Wyoming, P.O. Box 3415, Room 135 Biological Sciences Building, Laramie, WY 82071-3415. 相似文献
896.
Martha A. Gabriel Ph.D. 《Group》1994,18(3):167-176
As the AIDS epidemic continues unabated, there is growing clinical evidence that the catastrophic nature of this disease is creating a second category of trauma casualties. They are the health care practitioners who witness the narratives of those who are living with and dying from AIDS. This article examines how multiple AIDS-related deaths of group members exert a traumatizing effect on group therapists, creating vicarious traumatization. Vignettes are presented that illustrate reactions associated with traumatic stress, including death images, survivors' guilt, psychic numbing, suspicion of counterfeit nurturance, and struggle for meaning. Possible therapeutic interventions for group therapists coping with multiple deaths are also explored.The author wishes to acknowledge the endeavors of the volunteer group therapists and the Clinical Group Services staff of the Gay Men's Health Crisis of New York City, who provide group therapy to over 900 clients a week. This article is written in admiration of their extraordinary effort and dedication. 相似文献
897.
DECONSTRUCTING THE MYTH OF THE NONAGGRESSIVE WOMAN 总被引:1,自引:0,他引:1
One of the most pervasive and undisputed gender stereotypes is that men are more aggressive than women. However, this stereotype has, until recently, led researchers to conclude that women are nonaggressive and, therefore, to ignore the topic of female aggression as a distinct phenomenon. The basis of the myth, factors supporting its maintenance, and theories of female aggression are examined. A feminist reinterpretation of aggression that views women's and men's aggressive behavior within social structural arrangements that create and sustain differential power relations is presented. 相似文献
898.
899.
900.
CORRECTING THE 16PF FOR FAKING: EFFECTS ON CRITERION-RELATED VALIDITY AND INDIVIDUAL HIRING DECISIONS 总被引:2,自引:0,他引:2
NEIL D. CHRISTIANSEN RICHARD D. GOFFIN NORMAN G. JOHNSTON MITCHELL G. ROTHSTEIN 《Personnel Psychology》1994,47(4):847-860
The effects of correcting a personality measure for faking were evaluated within an organizational context. Two possible repercussions of score correction were studied using the 16PF personality inventory: the effect on criterion-related validity and the effect on individual hiring decisions (i.e., which applicants would or would not be hired). Results indicated that correction for faking had little effect on criterion-related validity. However, depending on the selection ratio, correction of scores would have resulted in different hiring decisions than those that would have been made on the basis of uncorrected scores. Implications for organizations using personality measures for selection and recommendations regarding the use of faking corrections are discussed. 相似文献