全文获取类型
收费全文 | 694篇 |
免费 | 78篇 |
国内免费 | 174篇 |
出版年
2024年 | 3篇 |
2023年 | 17篇 |
2022年 | 15篇 |
2021年 | 37篇 |
2020年 | 34篇 |
2019年 | 30篇 |
2018年 | 42篇 |
2017年 | 33篇 |
2016年 | 32篇 |
2015年 | 22篇 |
2014年 | 41篇 |
2013年 | 62篇 |
2012年 | 50篇 |
2011年 | 64篇 |
2010年 | 43篇 |
2009年 | 42篇 |
2008年 | 44篇 |
2007年 | 61篇 |
2006年 | 62篇 |
2005年 | 42篇 |
2004年 | 26篇 |
2003年 | 25篇 |
2002年 | 16篇 |
2001年 | 8篇 |
2000年 | 9篇 |
1999年 | 9篇 |
1998年 | 9篇 |
1997年 | 5篇 |
1996年 | 3篇 |
1995年 | 7篇 |
1994年 | 5篇 |
1993年 | 6篇 |
1992年 | 4篇 |
1991年 | 5篇 |
1990年 | 1篇 |
1989年 | 4篇 |
1988年 | 4篇 |
1985年 | 3篇 |
1984年 | 5篇 |
1983年 | 3篇 |
1982年 | 4篇 |
1981年 | 4篇 |
1979年 | 1篇 |
1963年 | 1篇 |
1957年 | 2篇 |
1954年 | 1篇 |
排序方式: 共有946条查询结果,搜索用时 15 毫秒
91.
92.
Yanlou Liu Tao Xin Björn Andersson Wei Tian 《The British journal of mathematical and statistical psychology》2019,72(1):18-37
Two new methods to estimate the asymptotic covariance matrix for marginal maximum likelihood estimation of cognitive diagnosis models (CDMs), the inverse of the observed information matrix and the sandwich-type estimator, are introduced. Unlike several previous covariance matrix estimators, the new methods take into account both the item and structural parameters. The relationships between the observed information matrix, the empirical cross-product information matrix, the sandwich-type covariance matrix and the two approaches proposed by de la Torre (2009, J. Educ. Behav. Stat., 34, 115) are discussed. Simulation results show that, for a correctly specified CDM and Q-matrix or with a slightly misspecified probability model, the observed information matrix and the sandwich-type covariance matrix exhibit good performance with respect to providing consistent standard errors of item parameter estimates. However, with substantial model misspecification only the sandwich-type covariance matrix exhibits robust performance. 相似文献
93.
Journal of Philosophical Logic - The completeness of the axiomatization of contingency logic over symmetric frames has been thought of as a nontrivial job, the unimodal case of which cannot be... 相似文献
94.
The graph tong同and its associated concepts, such as da-tong (Great tong大同) and xuan-tong (mystic or dark tong玄同), have played important roles in the development of Chinese philosophy. Yet tong has received scant attention from either western or eastern scholarships. This paper is a first attempt to remedy such regret. Unlike usual understandings of tong as sameness or unity, this paper presents a nuanced account from early China, that is, ‘difference to one,’ a definition from the Mozi墨子. This definition can be supported from etymological, textual, and lexical evidence. ‘Difference to one’ should not be solely attributed to a Mohist understanding; it in fact represents a common understanding of tong across philosophical streams in early China. This nuanced account provides new insights into the concept of tong in early philosophical texts, and furthermore breaks solid grounds for further studies of tong and its associated concepts. 相似文献
95.
Felix Jamie Lopez Ning Hou Jinyan Fan 《International Journal of Selection & Assessment》2019,27(4):371-380
Faking has remained a major concern for organizations using self‐report personality measures for selection. Scholars recenlty developed a new middle‐warning faking‐mitigation procedure. The present replication study was the first field test in the United States using 193 applicants for an entry‐level position in a New York‐based consulting firm. Results replicated most of Fan et al.'s findings including (a) the middle‐warning significantly lowered fakers' personality scores over retesting, whereas the control message had little influence on nonfakers; (b) the above warning effect carried over to personality scales that were not retested; and (c) the persistent tendency of potential fakers rising to the top of personality score distribution was weakened. In addition, applicants' perceptions were not being negatively affected by the warning. 相似文献
96.
97.
物质主义的经典研究分别从人格、价值观、目标和需要的角度界定和理解物质主义的相关现象。自我概念一直是贯穿物质主义研究的线索, 但直到最近研究者才试图以它为理论基点统摄与整合已有研究。相关研究表明, 物质主义者对自我的评价较低, 表现为低自尊、权变性自尊; 对自我的认识具有不一致性, 表现为自我概念不清晰、外显-内隐自尊分离、以及自我差距(理想自我与现实自我的差距)。最近出现的两个综合理论——物质主义的自我逃离理论与物质主义的认同目标追求理论提出, 物质主义是个体将物质拥有作为逃避自我的方式或满足自我认同动机的手段。这两个理论弥补了现有物质主义研究缺乏整合性理论的不足。未来研究可以通过借鉴有关自我概念的理论, 超越单纯的物质主义者自我匮乏的思路, 从而做出更大的理论贡献。 相似文献
98.
99.
研究为探索常驻高海拔地区军人心理健康水平如何随社会年代变迁而改变,运用了横断历史元分析的方法,对1993年至2013年38篇采用90项症状自评量表(SCL-90)的文献调查数据进行分析,考察了11454名常驻高海拔地区军人在该量表上9个因子得分随年代变化的趋势.结果发现:(1)SCL-90的7个因子均值与年代负相关,且不受期刊类型等的影响.20年来,7个因子下降了5%~15%不等.其中,强迫变化最大,抑郁、焦虑、人际敏感、偏执和精神病性均变化明显.这说明,常驻高海拔地区军人心理健康虽有所波动但整体水平逐步提升,变化幅度大致属于中等程度.(2)当年军费占GDP比值、居民消费水平指数与SCL-90部分因子均值负相关显著;5年前的居民消费水平指数与7个因子显著负相关.这说明,国防建设的经济投入和居民消费水平可能是影响常驻高海拔地区军人心理健康水平的重要因素. 相似文献
100.
Guohua Fan Lin Geng Zhenzhu Zheng Xiping Cui Dong Hu 《Philosophical Magazine Letters》2017,97(6):241-248
The aim of the present study is to reveal the most critical underlying factor influencing the mechanical properties of metal matrix composites (MMCs). It is shown that the mechanical properties of MMCs are essentially governed by the degree of strain localisation during plastic deformation. In other words, the MMCs exhibit superior mechanical performance only if the strain localisation is obviously inhibited and the accumulated stresses can be effectively transferred out. The work provides a new perspective in guiding the design of next-generation high-performance MMCs by suppressing the strain localisation as far as possible. 相似文献