全文获取类型
收费全文 | 26440篇 |
免费 | 1102篇 |
国内免费 | 7篇 |
出版年
2020年 | 253篇 |
2019年 | 356篇 |
2018年 | 494篇 |
2017年 | 447篇 |
2016年 | 492篇 |
2015年 | 337篇 |
2014年 | 452篇 |
2013年 | 2040篇 |
2012年 | 756篇 |
2011年 | 833篇 |
2010年 | 501篇 |
2009年 | 490篇 |
2008年 | 697篇 |
2007年 | 695篇 |
2006年 | 667篇 |
2005年 | 550篇 |
2004年 | 562篇 |
2003年 | 510篇 |
2002年 | 515篇 |
2001年 | 829篇 |
2000年 | 870篇 |
1999年 | 595篇 |
1998年 | 306篇 |
1996年 | 252篇 |
1995年 | 250篇 |
1992年 | 473篇 |
1991年 | 493篇 |
1990年 | 485篇 |
1989年 | 465篇 |
1988年 | 459篇 |
1987年 | 406篇 |
1986年 | 414篇 |
1985年 | 418篇 |
1984年 | 345篇 |
1983年 | 317篇 |
1982年 | 266篇 |
1980年 | 237篇 |
1979年 | 389篇 |
1978年 | 308篇 |
1977年 | 245篇 |
1975年 | 349篇 |
1974年 | 387篇 |
1973年 | 433篇 |
1972年 | 372篇 |
1971年 | 343篇 |
1970年 | 274篇 |
1969年 | 314篇 |
1968年 | 413篇 |
1967年 | 362篇 |
1966年 | 336篇 |
排序方式: 共有10000条查询结果,搜索用时 140 毫秒
111.
H. O. F. Veiel G. Brill H. Hafner R. Welz 《American journal of community psychology》1988,16(6):839-861
The social support patterns of a sample of 101 suicide attempters were compared with the patterns of a control sample on the basis of structured interview data. Network characteristics and the extent of support in different functional categories were examined as to their absolute and relative power to discriminate between the suicide attempters and the controls. A clear separation of the functions of kin and of friends/acquaintances emerged. The crucial difference between the attempters and the controls lay in the number of friends with whom the subjects had agreeable everyday interactions and in the number of kin that provided crisis support, both psychological and instrumental. Other support differences between the two groups were of secondary importance. While there was no overall difference in the frequency of social interactions between the two groups, the size of the social network differed greatly. Consequences for the conceptualization and measurement of social support as well as for the prevention of suicidal behavior are discussed. 相似文献
112.
N W Denney 《American journal of community psychology》1988,16(3):409-433
A paper in the American Journal of Community Psychology (AJCP), by Reinke, Holmes, and myself, reported the results of a study of the influence of a friendly visitor program on the cognitive functioning and morale of elderly individuals. The program was reported to have had a significant multivariate effect on a combination of cognitive and morale measures and significant univariate effects on memory, self-perceived health, and activity director's ratings. Being intrigued by the memory finding, I conducted a follow-up study to further investigate the effect of a visitation program on cognitive functioning. In this second study the dependent measures included all of the cognitive variables included in the original study as well as some additional memory variables. The visitation program in the follow-up study had no effect on any of these measures. As a result of my failure to obtain a significant memory effect such as that reported in Reinke et al. (1981), I reanalyzed the data from the original study. In my reanalysis, the only significant effect was a borderline univariate effect for self-perceived health; the multivariate effect did not approach significance. On the basis of my inability to produce the results reported in Reinke et al. when I reanalyzed the original data, I must conclude that the friendly visitor program did not have the effects attributed to it in the original report. 相似文献
113.
The precaution adoption process 总被引:47,自引:0,他引:47
N D Weinstein 《Health psychology》1988,7(4):355-386
This article presents a critique of current models of preventive behavior. It discusses a variety of factors that are usually overlooked-including the appearance of costs and benefits over time, the role of cues to action, the problem of competing life demands, and the ways that actual decision behavior differs from the rational ideal implicit in expectancy-value and utility theories. Such considerations suggest that the adoption of new precautions should be viewed as a dynamic process with many determinants. The framework of a model that is able to accommodate these additional factors is described. This alternative model portrays the precaution adoption process as an orderly sequence of qualitatively different cognitive stages. Data illustrating a few of the suggestions made in the article are presented, and implications for prevention programs are discussed. 相似文献
114.
A right-handed man suffered a left parieto-occipital cerebral infarction, causing agraphia with Gerstmann's syndrome but without major aphasia, alexia, or apraxia. Oral spelling was superior to written spelling. Experiments were performed involving (1) analysis of errors in writing, (2) tasks of visual imagery, and (3) identifying letters drawn without leaving a visual trace. The results suggest that the agraphia and Gerstmann's syndrome are due to a dissociation of language skills and visuospatial skills caused by a dominant parieto-occipital lesion. 相似文献
115.
116.
A pediatric auditory version of the Stroop procedure was developed and administered to 48 normal children from 3 to 6 years of age. Our purpose was to define the developmental course characterizing interaction between auditory and semantic speech dimensions in young children. The procedure was a reaction time (RT) task that required children to respond as quickly and as accurately as possible to words spoken by a male or a female voice. Children were instructed to ignore what was said and to push the "Mommy" button if Mommy was talking or the "Daddy" button if Daddy was talking. Performance was obtained for words with neutral, congruent, and conflicting semantic content. Preschool children manifested processing dependencies that were similar to those observed in adults on the visual Stroop procedure. Conflict between semantic and auditory dimensions significantly increased RT and congruence between the two dimensions significantly decreased RT relative to the neutral condition. The pattern of results indicated that the meaning of words was processed automatically in the normal children. The magnitude of the Stroop effect reflected developmental change with increasing age. 相似文献
117.
We investigated the possible influence of common "demand characteristics" on the results on behavioral language laterality tasks. The demand characteristics were (1) whether Ss were or were not recruited for study according to their handedness, and (2) whether a detailed familial sinistrality inquiry was conducted before or after the tasks. Tasks were the Dichotic Consonant Vowel Task (DCVT) and the Bilateral Object Naming Latency Task (BONLT). Results showed no effect of demand characteristics on the BONLT. On the DCVT, however, prior inquiry regarding familial sinistrality was associated with significantly reduced right ear advantages (REAs). Interactions showed that the greatest reduction in REAs occurred in Ss with left-handedness in their families, who were asked about familial sinistrality prior to the tasks, who took the DCVT after the BONLT, and who were also recruited by handedness. Results, though generally reassuring regarding the robustness of the tasks against these sources of bias, raise some cautions for the DCVT. 相似文献
118.
Jay F. Rosenberg 《Topoi》1988,7(1):57-63
Beginning with Descartes' caution not imprudently to take some other object in place of myself, I consider first the problems of self-identification confronted by variousamnesiacs, both ordinary and Cartesian. Noting thatcogitationes as such do not individuate, I proceed to examine conclusions drawn from certain sorts of body-switching thought experiments. This, in turn, gives rise to a general critique of psychological connectedness or unity of consciousness as a candidate criterion of personal identity. I conclude that our ability to apply any notion of personal identity is parasitic upon the existence of a conceptual apparatus for individuating, identifying, and reidentifying objects. Finally, I argue that, if person is a proper sortal predicate to begin with, Descartes'res cogitans cannot be understood as a species of the (metaphysical) genusres, distinct fromres extensa and only problematically in interaction with it. Cartesian dualism is a multiply untenable doctrine. 相似文献
119.
120.
Body-frame size is an important factor in determining an optimal body weight for a given height. Previous studies have indicated that many individuals incorrectly estimate their body-frame size, and, as a result, incorrectly assess their ideal weight. The present study investigated the accuracy of estimation of body-frame size as a function of sex and actual frame size. The subjects were 66 men and 52 women participating in a community adult fitness program. Data indicated that medium-framed individuals were the most accurate in their estimations of body-frame size. Also, women were twice as likely to be accurate as were men. These results are interpreted to mean that most people assume they are medium-framed and that there is a sex difference in the way body-frame size is estimated. 相似文献