全文获取类型
收费全文 | 57062篇 |
免费 | 2352篇 |
国内免费 | 21篇 |
出版年
2020年 | 526篇 |
2019年 | 642篇 |
2018年 | 906篇 |
2017年 | 939篇 |
2016年 | 1014篇 |
2015年 | 768篇 |
2014年 | 871篇 |
2013年 | 4154篇 |
2012年 | 1630篇 |
2011年 | 1605篇 |
2010年 | 1001篇 |
2009年 | 961篇 |
2008年 | 1394篇 |
2007年 | 1440篇 |
2006年 | 1225篇 |
2005年 | 1174篇 |
2004年 | 1097篇 |
2003年 | 1036篇 |
2002年 | 1076篇 |
2001年 | 1848篇 |
2000年 | 1771篇 |
1999年 | 1322篇 |
1998年 | 583篇 |
1996年 | 534篇 |
1992年 | 1212篇 |
1991年 | 1145篇 |
1990年 | 1175篇 |
1989年 | 1024篇 |
1988年 | 1035篇 |
1987年 | 976篇 |
1986年 | 1028篇 |
1985年 | 1103篇 |
1984年 | 843篇 |
1983年 | 772篇 |
1982年 | 542篇 |
1981年 | 533篇 |
1979年 | 967篇 |
1978年 | 658篇 |
1977年 | 606篇 |
1976年 | 584篇 |
1975年 | 821篇 |
1974年 | 961篇 |
1973年 | 1014篇 |
1972年 | 847篇 |
1971年 | 801篇 |
1970年 | 796篇 |
1969年 | 757篇 |
1968年 | 1011篇 |
1967年 | 884篇 |
1966年 | 787篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
951.
Sabir A. Alvi Sar B. Khan Sandra L. Vegeris Z.A. Ansari 《International journal of psychology》1986,21(1-4):659-670
A cross-cultural study of psychological differentiation of Canadian and Pakistani high school students was undertaken to examine the nature of psychological differentiation in relation to differences in age/grade, gender, and academic programs. The study involved 707 Canadian students from grades 6, 8, 10, and 12; and 349 Pakistani students from grades 8, 9, 10, and 12. The Group Embedded Figures Test was employed as a measure of the field-dependence-independence cognitive style. Analyses of data included two-way and three-way analyses of variance to determine the effects of grade, gender, and academic program upon GEFT scores. Differences in psychological differentiation between high school students in the two cultures were discussed in terms of Berry's eco-cultural model. 相似文献
952.
A new test for measuring the ability to perceive pictorial depth was used with children of two remote Bushman populations (!Xu and Kxoe), as well as with a sample of adult Bushmen drawn from these populations and a sample of urban Zulu children. The results show that subjects of apparently little sophistication are capable of perceiving depth when confronted with a ‘geometric’ figure. They also show surprising inter-group differences which cannot be easily explained by differences of environmental experience. 相似文献
953.
R. Barry Ruback Timothy S. Carr Charles H. Hopper 《Journal of applied social psychology》1986,16(5):375-386
Two studies were conducted to investigate the effects of perceived control in two men's prisons, one housing 181 inmates and the other housing 623 inmates. In both prisons, inmates' perceived control over the environment was found to be significantly related to their ratings of their living accommodations, experienced stress, and physical symptoms, even when type of cell was held constant. 相似文献
954.
Patrick C. Friman Jack W. Finney Stephen G. Glasscock John W. Weigel Edward R. Christophersen 《Journal of applied behavior analysis》1986,19(1):87-92
Testicular self-examination (TSE) can lead to early diagnosis and treatment of testicular cancer, the third leading cause of death in young men. We evaluated the effectiveness of a brief and specific checklist for teaching TSE skills. Ten men were videotaped while performing testicular self-examinations before and after training. The TSE training resulted in large and significant increases in the number of TSE steps completed and duration of the TSE. Two urological validation measures supported the improvements observed in the mens' self-examinations. Subjects reported continued performance of TSE during a follow-up telephone interview. This pilot study indicates that a brief and specific checklist is an effective strategy for teaching early cancer detection skills. 相似文献
955.
Correlations between a job performance criterion and personality measures reflecting achievement motivation and an interpersonal orientation were examined at three points in time after completion of job training for a sample of airline reservations agents. Although correlations between the personality predictors and performance were small and nonsignificant for the 3-month period after beginning the job, by the end of 6 and 8 months a number of significant relationships had emerged. Implications for the utility of personality measures in selection and performance prediction are discussed. 相似文献
956.
Shirley O'Brien Linda V. Ross Edward R. Christophersen 《Journal of applied behavior analysis》1986,19(2):137-145
Cathartic and behavioral treatment procedures for eliminating diurnal and nocturnal primary encopresis were investigated using a multiple-baseline design across four children. The dependent and independent variables measured were appropriate bowel movements, soiling accidents, independent toiletings, and cathartic use. Over 177 reliability observations (home visits) were conducted. For two of the children, treatment with cathartics and child-time remedied their soiling accidents and increased their independent toiletings in 8 to 11 weeks. While the cathartics and child-time increased the rate of appropriate bowel movements, they did not eliminate the soiling accidents with the other two children. Independent toiletings for these two children were achieved after 32 to 39 weeks of treatment when punishment procedures (positive practice, time-out, and hourly toilet sits) were incorporated and the suppositories were faded systematically. 相似文献
957.
Observational learning of two visual discriminations by pigeons: a within-subjects design.
下载免费PDF全文
![点击此处可从《Journal of the experimental analysis of behavior》网站下载免费的PDF全文](/ch/ext_images/free.gif)
G B Biederman H A Robertson M Vanayan 《Journal of the experimental analysis of behavior》1986,46(1):45-49
Pigeon's observational learning of successive visual discrimination was studied using within-subject comparisons of data from three experimental conditions. Two pairs of discriminative stimuli were used; each bird was exposed to two of the three experimental conditions, with different pairs of stimuli used in a given bird's two conditions. In one condition, observers were exposed to visual discriminative stimuli only. In a second condition, subjects were exposed to a randomly alternating sequence of two stimuli where the one that would subsequently be used as S+ was paired with the operation of the grain magazine. In a third experimental condition, subjects were exposed to the performance of a conspecific in the operant discrimination procedure. After exposures to conspecific performances, there was facilitation of discriminative learning, relative to that which followed exposures to stimulus and reinforcement sequences or exposures to stimulus sequences alone. Exposure to stimulus and food-delivery sequences enhanced performance relative to exposure to stimulus sequences alone. The differential effects of these three types of exposure were not attributable to order effects or to task difficulty; rather, they clearly were due to the type of exposure. 相似文献
958.
Mark R Leary Susan Crites Atherton Sara Hill Christine Hur 《Journal of personality》1986,54(4):704-716
People differ in the degree to which they become inhibited and avoidant when they feel socially anxious This study explored the hypothesis that characterological attributions for one's feelings of nervousness in social settings are related to social inhibition and avoidance In a preliminary study, the dimensions people use to explain their feelings of nervousness and relaxation were determined One hundred and twenty-five subjects then completed measures of social anxiousness, inhibition, and avoidance, and made attributions for feeling nervous and relaxed in 10 interpersonal scenarios As predicted, attributions of nervousness to characterological factors, such as ability and personality traits, correlated positively with social inhibition and avoidance Unexpectedly, behavioral attributions for nervousness also predicted inhibition and avoidance 相似文献
959.
The role of factor analysis in the development and evaluation of personality scales 总被引:20,自引:0,他引:20
The purpose of this paper is to examine the usefulness of factor analysis in developing and evaluating personality scales that measure limited domain constructs The approach advocated follows from several assumptions that a single scale ought to measure a single construct, that factor analysis ought to be applied routinely to new personality scales, and that the factors of a scale are important if it can be demonstrated that they are differentially related to other measures A detailed study of the Self-Monitoring Scale illustrates how factor analysis can help us to understand what a scale measures A second example uses the self-esteem literature to illustrate how factor analysis can clarify the proliferation of scales within a single content domain Both examples show how factor analysis can be used to identify important conceptual distinctions Confirmatory techniques are also introduced as a means for testing specific hypotheses It is concluded that factor analysis can make an important contribution to programmatic research in personality psychology 相似文献
960.
This study assesses the relations between the ratings of clinicians and psychiatric inpatients on several anxiety and depression measures, as mediated by private self-consciousness. The overall concordance between clinicians' and patients' ratings is quite high, particularly on the depression measures. Levels of private self-consciousness do not appear to mediate concordance of structured behavior or symptom-based ratings of either anxiety or depression; however, there is limited support for levels of private self-consciousness mediating concordance between patients' global ratings of anxiety and clinicians' anxiety ratings. 相似文献