全文获取类型
收费全文 | 302篇 |
免费 | 59篇 |
国内免费 | 85篇 |
专业分类
446篇 |
出版年
2024年 | 1篇 |
2023年 | 6篇 |
2022年 | 14篇 |
2021年 | 8篇 |
2020年 | 17篇 |
2019年 | 21篇 |
2018年 | 14篇 |
2017年 | 22篇 |
2016年 | 16篇 |
2015年 | 14篇 |
2014年 | 25篇 |
2013年 | 26篇 |
2012年 | 17篇 |
2011年 | 30篇 |
2010年 | 24篇 |
2009年 | 28篇 |
2008年 | 23篇 |
2007年 | 33篇 |
2006年 | 32篇 |
2005年 | 24篇 |
2004年 | 14篇 |
2003年 | 11篇 |
2002年 | 9篇 |
2001年 | 7篇 |
2000年 | 2篇 |
1999年 | 1篇 |
1997年 | 1篇 |
1996年 | 1篇 |
1994年 | 1篇 |
1992年 | 1篇 |
1989年 | 1篇 |
1985年 | 2篇 |
排序方式: 共有446条查询结果,搜索用时 0 毫秒
11.
高官支持、带头搞伪科学、封建迷信,影响很坏高官们这些做法之所以影响很坏,是由于以下一些因素在起作用。(一)组织性和纪律观念的误用全国解放半个多世纪了。现在我国广大干部都是在党的教育下成长起来的,有的本身就是共产党员,他们都有很强的组织性和纪律观念,一般对上级领导人的批示和指示都不打折扣地贯彻执行。这无疑是对的。但另一方面,党的民主集中制原则规定,个人服从组织,少数服从多数,下级服从上级,全党服从中央;同时还规定,党员“对党的决议和政策如有不同意见,在坚决执行的前提下,可以声明保留,并且可以把自己的意见向党的上级… 相似文献
12.
The multilevel logistic regression model (M-logit) is the standard model for modeling multilevel data with binary outcomes. However, many assumptions and restrictions should be considered when applying this model for unbiased estimation. To overcome these limitations, we proposed a multilevel CART (M-CART) algorithm which combines the M-logit and single level CART (S-CART) within the framework of the expectation-maximization. Simulation results showed that the proposed M-CART provided substantial improvements on classification accuracy, sensitivity, and specific over the M-logit, S-CART, and single level logistic regression model when modeling multilevel data with binary outcomes. This benefit of using M-CART was consistently found across different conditions of sample size, intra-class correlation, and when relationships between predictors and outcomes were nonlinear and nonadditive. 相似文献
13.
14.
Wen S. Xiao Genyue Fu Paul C. Quinn Jinliang Qin James W. Tanaka Olivier Pascalis Kang Lee 《Developmental science》2015,18(4):655-663
The present study examined whether perceptual individuation training with other‐race faces could reduce preschool children's implicit racial bias. We used an ‘angry = outgroup’ paradigm to measure Chinese children's implicit racial bias against African individuals before and after training. In Experiment 1, children between 4 and 6 years were presented with angry or happy racially ambiguous faces that were morphed between Chinese and African faces. Initially, Chinese children demonstrated implicit racial bias: they categorized happy racially ambiguous faces as own‐race (Chinese) and angry racially ambiguous faces as other‐race (African). Then, the children participated in a training session where they learned to individuate African faces. Children's implicit racial bias was significantly reduced after training relative to that before training. Experiment 2 used the same procedure as Experiment 1, except that Chinese children were trained with own‐race Chinese faces. These children did not display a significant reduction in implicit racial bias. Our results demonstrate that early implicit racial bias can be reduced by presenting children with other‐race face individuation training, and support a linkage between perceptual and social representations of face information in children. 相似文献
15.
Non‐ignorable missingness item response theory models for choice effects in examinee‐selected items 下载免费PDF全文
Chen‐Wei Liu Wen‐Chung Wang 《The British journal of mathematical and statistical psychology》2017,70(3):499-524
Examinee‐selected item (ESI) design, in which examinees are required to respond to a fixed number of items in a given set, always yields incomplete data (i.e., when only the selected items are answered, data are missing for the others) that are likely non‐ignorable in likelihood inference. Standard item response theory (IRT) models become infeasible when ESI data are missing not at random (MNAR). To solve this problem, the authors propose a two‐dimensional IRT model that posits one unidimensional IRT model for observed data and another for nominal selection patterns. The two latent variables are assumed to follow a bivariate normal distribution. In this study, the mirt freeware package was adopted to estimate parameters. The authors conduct an experiment to demonstrate that ESI data are often non‐ignorable and to determine how to apply the new model to the data collected. Two follow‐up simulation studies are conducted to assess the parameter recovery of the new model and the consequences for parameter estimation of ignoring MNAR data. The results of the two simulation studies indicate good parameter recovery of the new model and poor parameter recovery when non‐ignorable missing data were mistakenly treated as ignorable. 相似文献
16.
17.
The present study aimed to examine the child‐rearing practices in Chinese families in Beijing and Hong Kong. The sample consisted of 89 mothers in Beijing and 45 mothers in Hong Kong. The mothers were instructed to respond to the Child‐rearing Practice Report (CRPR) in Q‐sort format. Some of the item clusters were combined to produce the authoritarian and authoritative disciplinary styles. The results indicated that mothers in Hong Kong were more likely to adopt an authoritarian child‐rearing pattern than mothers in Beijing; however, the two groups did not differ in authoritative child‐rearing style. The results also showed that mothers in Hong Kong controlled their children more than their counterparts in Beijing, and they were less inclined to show affection towards their children; mothers in Beijing emphasized their children's achievement much more than their Hong Kong counterparts. The findings suggest that Chinese parental disciplinary styles may be quite different in various regions of Chinese societies. Such variance across different geopolitical locations within the same cultural background has been ignored in past cross‐cultural research. 相似文献
18.
采用情境故事法对281名3~9岁儿童对不同类型的消极或积极特质稳定性的理解进行了个别测查,使用了“性质-类型-性质”的特质推理研究范式,任务涉及跨时间稳定性和跨情境一致性两个层面的考察。五因素重复测量方差分析结果表明,3~9岁儿童对于特质稳定性的理解表现出随年龄发展稳定观不断增强的趋势,4岁可能是儿童特质稳定性理解由不成熟向成熟方向发展的关键点;此外,研究验证了年龄与特质性质的交互作用,也发现了问题类型和特质类型对特质稳定性理解的调节作用。这些特点与年幼儿童获得的心理知识和对特质发展影响因素的觉知有关,也可能与整个文化系统的直接或间接作用有关。 相似文献
19.
记者在本刊2005年第一期上发过一篇《记中国无神论者与美国基督教徒的一次对话》,其中提到,在大多数中国人的心目中,美国是一个标榜民主和 相似文献
20.
智力落后的成因--当代智力理论新解 总被引:4,自引:0,他引:4
智力落后的成因历来存在争论。本文在当代复杂系统智力理论的视野之下.从Sternberg的三元智力理论和Das的PASS模型入手,分析了智力落后本质及成因的新解.揭示了智力落后理论研究的认知心理学新走向。 相似文献