全文获取类型
收费全文 | 3468篇 |
免费 | 133篇 |
国内免费 | 2篇 |
出版年
2023年 | 21篇 |
2022年 | 21篇 |
2021年 | 27篇 |
2020年 | 70篇 |
2019年 | 85篇 |
2018年 | 106篇 |
2017年 | 101篇 |
2016年 | 92篇 |
2015年 | 93篇 |
2014年 | 82篇 |
2013年 | 394篇 |
2012年 | 120篇 |
2011年 | 135篇 |
2010年 | 89篇 |
2009年 | 78篇 |
2008年 | 115篇 |
2007年 | 123篇 |
2006年 | 121篇 |
2005年 | 82篇 |
2004年 | 105篇 |
2003年 | 77篇 |
2002年 | 83篇 |
2001年 | 134篇 |
2000年 | 134篇 |
1999年 | 91篇 |
1998年 | 35篇 |
1997年 | 44篇 |
1996年 | 31篇 |
1995年 | 24篇 |
1994年 | 32篇 |
1992年 | 49篇 |
1991年 | 64篇 |
1990年 | 49篇 |
1989年 | 54篇 |
1988年 | 48篇 |
1987年 | 44篇 |
1986年 | 28篇 |
1985年 | 32篇 |
1984年 | 37篇 |
1983年 | 24篇 |
1982年 | 24篇 |
1981年 | 24篇 |
1979年 | 26篇 |
1977年 | 25篇 |
1976年 | 22篇 |
1975年 | 24篇 |
1974年 | 22篇 |
1973年 | 21篇 |
1971年 | 22篇 |
1968年 | 21篇 |
排序方式: 共有3603条查询结果,搜索用时 15 毫秒
41.
The Yule-Oseretsky test of motor performance was administered to 10 ‘undifferentiated’ mentally-retarded adults, 10 normal children and 10 normal adults. In accordance with Denny's (1964) 3-group design, the children were matched on mental age with the retardates, the normal adults were matched on chronological age with the retardates, and the children and normal adults were matched on intelligence quotient. The results showed that mental age predicted performance on both fine and gross motor tasks, with the children and retarded adults both obtaining similar relatively-low scores. 相似文献
42.
The purpose of this study was to examine whether apraxic-aphasic patients with parietal lesions had difficulty learning lists of gestures and whether the performance deficits they displayed resulted from an inability either to consolidate this information in memory or to retrieve the information once stored. The findings indicate that apraxic-aphasic patients do have difficulty acquiring lists of gestures. This inability to reproduce gestural information was not associated with a retrieval disorder, but instead the apraxic-aphasic subjects could not consolidate the information in memory. 相似文献
43.
Y. Haruki T. Shigehisa K. Nedate M. Wajima R. Ogawa 《International journal of psychology》1984,19(1-4):527-545
Effects of new types of reinforcement, alien type and alien combined with external type (double reinforcement), were examined in comparison with a conventional external one. One hundred and twenty children, 6th grade boys and girls, worked on learning discrimination tasks. Under alien reinforcement, upon correct responses of the child the experimenter received reinforcers from him-(or her-) self thus reinforcing the child responses. Under each condition, alien, external or double, children learned the tasks and their learning efficacy increased. Personality characteristics of children, in terms of extraversion and emotionality, differentiated effects of three reinforcement conditions on learning behavior and efficacy. The effect of alien reinforcement was influenced by the personality factors most, and that of double reinforcement least. In addition, personality factors influenced differently between alien and external conditions. Learning occurred differently under three different conditions of reinforcement, depending on the personality type of learners. Underlying mechanisms of alien reinforcement were different from, and its functions were independent of, those of external reinforcement. None of the effects of alien reinforcement on learning and motivation were contaminated by the intellectual faculties of learners. 相似文献
44.
Farnaz Kaighobadi Jacob Shane Erika Y. Niwa Tanzina Ahmed Laura C. Reigada 《Social and Personality Psychology Compass》2023,17(8):e12790
COVID-19 vaccine concerns remain high among Americans. Although recent studies have investigated the sociodemographic disparities in vaccine concerns, less attention has been given to reasons for vaccine skepticism and psychosocial factors that may explain it. The current study examined specific types of vaccine concerns among a diverse sample of college students (N = 1985) living in New York City. Participants who identified as Black, younger, with later immigrant generational status, and those with more conservative political leanings reported more vaccine concerns. Concerns regarding vaccine side effects were the most frequently reported source of concern. Reason for getting vaccinated, personal experiences with COVID, and COVID stress was also associated with vaccine concerns. Study results emphasize the importance of sociodemographic factors and COVID knowledge and stress in examining and addressing vaccine concerns. 相似文献
45.
46.
Leslie Henderson 《Quarterly journal of experimental psychology (2006)》1972,24(4):439-447
Three experiments are reported to demonstrate partial independence of identity and spatial position information concerning visually presented symbols. Experiment I shows that performance on these forms of information improves at different rates as a function of exposure duration. Experiment II shows that performance on one can be traded against the other. Experiment III demonstrates partial statistical independence of item and position responses and shows that increases in the duration and delay of the probe facilitate performance. Some implications of these experiments for theories involving mandatory verbal encoding of visual symbol-arrays are discussed. A model is proposed comprising visual and name stores with different acquisition rates and capacities. Both are indexed by identity but the visual code can also be interrogated by spatial cues. 相似文献
47.
48.
49.
50.
Contact hypothesis in ethnic relations 总被引:14,自引:0,他引:14
Y Amir 《Psychological bulletin》1969,71(5):319-342