全文获取类型
收费全文 | 5181篇 |
免费 | 44篇 |
国内免费 | 1篇 |
专业分类
5226篇 |
出版年
2022年 | 12篇 |
2021年 | 18篇 |
2020年 | 17篇 |
2019年 | 22篇 |
2018年 | 143篇 |
2017年 | 124篇 |
2016年 | 208篇 |
2015年 | 114篇 |
2014年 | 54篇 |
2013年 | 123篇 |
2012年 | 301篇 |
2011年 | 301篇 |
2010年 | 46篇 |
2009年 | 49篇 |
2008年 | 86篇 |
2007年 | 70篇 |
2006年 | 89篇 |
2005年 | 1345篇 |
2004年 | 676篇 |
2003年 | 460篇 |
2002年 | 153篇 |
2001年 | 30篇 |
2000年 | 19篇 |
1999年 | 24篇 |
1997年 | 8篇 |
1994年 | 16篇 |
1992年 | 27篇 |
1991年 | 46篇 |
1990年 | 60篇 |
1989年 | 45篇 |
1988年 | 29篇 |
1987年 | 43篇 |
1986年 | 38篇 |
1985年 | 31篇 |
1984年 | 27篇 |
1983年 | 19篇 |
1979年 | 34篇 |
1978年 | 10篇 |
1977年 | 9篇 |
1976年 | 11篇 |
1975年 | 30篇 |
1974年 | 33篇 |
1973年 | 31篇 |
1972年 | 25篇 |
1971年 | 25篇 |
1970年 | 17篇 |
1969年 | 19篇 |
1968年 | 17篇 |
1967年 | 17篇 |
1966年 | 16篇 |
排序方式: 共有5226条查询结果,搜索用时 0 毫秒
981.
Motivated Compliance With Bases of Social Power 总被引:1,自引:0,他引:1
Antonio Pierro Lavinia Cicero Bertram H. Raven 《Journal of applied social psychology》2008,38(7):1921-1944
This contribution examines the degree of compliance with hard and soft power bases ( Raven, Schwarzwald, & Koslowsky, 1998 ) as a function of target motivational and personal orientations. Four field studies were conducted in different European organizations where intrinsic–extrinsic motivational orientations, desire for control, self-presentational styles, and self-esteem were respectively considered as antecedents of employees' compliance with their supervisors' power strategies. Results show that compliance with soft power strategies is positively related to intrinsic motivation, desire for control, "getting-ahead" style, and self-esteem; and negatively related to the "getting-along" style. Compliance with hard power strategies is positively related to extrinsic motivation and to the getting-along style, but negatively related to intrinsic motivation, desire for control, and self-esteem. 相似文献
982.
Antonio L. Freitas Karen L. Langsam Sheri Clark Scott J. Moeller 《Journal of experimental social psychology》2008,44(4):1174-1179
Building on previous research examining the implications for self-regulation and decision making of construing action at varying levels of abstraction, the authors proposed that construing action in terms of its abstract purposes facilitates orienting one’s decisions toward the standards, characteristics, and goals that define one’s desired self-concept. Consistent with this proposal, desiring for oneself a political candidate’s personal qualities predicted evaluating favorably (in Study 1) and voting for (in Study 2) that candidate to a greater extent among participants focused on the distal future (and presumably construing action at a relatively high-level of abstraction) than the proximal future (and presumably construing action at a relatively low-level of abstraction). Moreover, individuals chronically construing action in high-level terms responded more favorably to advertisements appealing to their desired self-concept (in Study 3) than to product quality. These findings’ implications for decision making are discussed. 相似文献
983.
The purpose of this study was to use cluster analysis to identify differences in goal orientation and motivational climate profiles among students in physical education classes as well as differences among the observed clusters on perceived flow experiences. 983 students of 14- to 15-yr.-olds (M = 14.8 yr., SD = 0.91) from a large Spanish metropolitan school district were participants and completed questionnaires assessing goal orientations, motivational climates, and perceived flow. Analysis showed three distinct clusters with 40.3% of the sample with a High Motivation cluster, 27.6% in a Low Motivation cluster, and 32.2% in a Mastery Motivation cluster. These three clusters differed significantly in ratings of perceived flow. Clusters also showed different composition by sex. Implications of these results with regard to instruction in physical education classes are discussed. 相似文献
984.
Laidre ME 《Animal cognition》2008,11(2):179-187
Studies of intraspecific behavioral variability have documented cases where behaviors are present in some populations or groups
but are absent in others. In some cases these differences cannot be explained by recourse to environmental or genetic variation,
and may instead represent “traditions”. Despite many examples of animal traditions in acoustic communication, relatively few
examples exist of gestural traditions. Here I report on a study of communication across eight captive groups of mandrills
(Mandrillus sphinx) in which a prominent gesture (Hand extension) was unique to two groups. Habitat variability, genetic differences, and sampling
bias were not sufficient to account for the gesture’s limited distribution across the study groups. Within the two groups
where the gesture did occur only the juveniles in the group performed it, consistently directing it toward adults. Quantitative
analysis of the contexts and responses associated with the gesture suggested that juveniles utilized it to provoke adults.
Moreover, the gesture appeared to minimize the risk juveniles incurred while inciting adults, suggesting that repeated social
interactions shaped the gesture’s form. Interestingly, both the groups where the gesture emerged contained few juveniles.
With limited play partners, these juveniles may have resorted to harassing adults as an alternative social play outlet. The
creation of this novel gesture may thus be due to the combined influence of a shortage of play partners and of the increased
free time for playful social exploration afforded by captivity. Although juveniles frequently “eavesdropped” on dyadic interactions
involving the gesture and would subsequently initiate an interaction with the recipient of the gesture, there was no definitive
evidence for social transmission; the gesture could instead have been independently invented by each juvenile.
Electronic supplementary material The online version of this article (doi:) contains supplementary material, which is available to authorized users. 相似文献
985.
This article provides the first demonstration of a reliable second-order conditioning (SOC) effect in human causal learning tasks. It demonstrates the human ability to infer relationships between a cause and an effect that were never paired together during training. Experiments 1a and 1b showed a clear and reliable SOC effect, while Experiments 2a and 2b demonstrated that first-order extinction did not affect SOC. These results were similar to those found in animal and human conditioning and suggested that a similar associative mechanism could explain these effects. However, they can also be used to look into the underlying causal mental model people build and store while they are learning this task. From a cognitive view, overall results suggest that an independent rather than a chain causal mental model is stored after second-order learning in human causal tasks. 相似文献
986.
MV-Algebras and Quantum Computation 总被引:2,自引:1,他引:1
We introduce a generalization of MV algebras motivated by the investigations into the structure of quantum logical gates.
After laying down the foundations of the structure theory for such quasi-MV algebras, we show that every quasi-MV algebra is embeddable into the direct product of an MV algebra and a “flat” quasi-MV
algebra, and prove a completeness result w.r.t. a standard quasi-MV algebra over the complex numbers.
Presented by Heinrich Wansing 相似文献
987.
988.
To investigate recent hypotheses of replicable personality types, we examined data from 1540 self‐sorts on the California Adult Q‐Set (CAQ). Conventional factor analysis of the items showed the expected Five‐Factor Model (FFM). Inverse factor analysis across random subsamples showed that none of the previously reported person‐factors were replicated. Only two factors were replicable, and, most importantly, these factors were contaminated by mean level differences in item endorsement. Results were not due to sample size or age heterogeneity. Subsequent inverse factor analysis of standardized items revealed at least three replicable factors; when five person‐factors were extracted, they could be aligned precisely with the dimensions of the FFM. The major factors of person similarity can be accounted for entirely in terms of the FFM, consistent with the hypothesis that there are no replicable personality types in the CAQ. Published in 2006 John Wiley & Sons, Ltd. 相似文献
989.
Lars Nyberg Lillemor Lundin-Olsson Bj?rn Sondell Anders Backman Kenneth Holmlund Staffan Eriksson Michael Stenvall Erik Rosendahl Marcus Maxhall Gustaf Bucht 《Cyberpsychology & behavior》2006,9(4):388-395
Falls and fall-related injuries are a major problem for elderly persons. Most falls occur during walking and turning, and the risk of falling increases when attention is diverted to something besides walking. It is often difficult to standardize methods for testing balance and fall tendency in a clinically relevant setting. We describe the development of a system using a virtual environment (VE) to assess how attention demanding and unexpected events influence a person's capacity to control balance and movement. The hardware in the system consists of a head-mounted display (HMD), a magnetic tracker system, and two SGI computers. The software consists of the image generation of the VE and the management and visualization of motion tracking data. In a preliminary pilot study eight subjects (age 23-80) participated. Each subject walked on a normal floor and was visually presented a familiar outdoor environment in the HMD. They were exposed to different unexpected events, such as a virtual snowfall and tilting of the VE. Disturbances of balance and walking patterns such as changes in speed, stride length and balance reactions like slipping were observed. Two subjects experienced symptoms of cyber sickness with a SSQ score above 25 points. Walking with sensors only did not affect walking time, but in VE the subjects generally walked more slowly. Virtual tilting of the environment had an impact on balance performance during walking. This effect was not observed while the test subjects were walking in a virtual snowfall. The model needs further development but may hold a potential for clinical use. 相似文献
990.
Lo?c Lemoine Kjerstin Torre Delignières Didier 《Revue canadienne de psychologie expérimentale》2006,60(4):247-257
A number of recent papers have suggested that the series of time intervals produced in continuation tapping may have fractal properties. This proposition, nevertheless, was only based on the visual appraisal of graphical results, and was not statistically supported. In the present study, we applied the ARMA/ARFIMA modeling procedures proposed by Wagenmakers, Farrell, and Ratcliff (2005) to test for the presence of long-range dependencies in continuation tapping data. Our results demonstrate the presence of long-range dependencies in most series and offer strong support for the hypothesis that fluctuations in tapping series are fractal in nature. 相似文献