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481.
Shihui Han Glyn W Humphreys 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2002,55(1):5-21
The present study examined the role of segmentation and selection processes when we respond to local elements in hierarchical stimuli. The ease of segmentation and selection of an individual local element from hierarchical patterns was manipulated by making one local element substantially distinct from the others in colour. Experiment 1 showed that, when attention was spread across the global and local levels in a divided attention task, the introduction of the local red element speeded responses to local targets but slowed responses when targets appeared at the global level. Experiment 2 used a selective attention task in which subjects responded only to the local or the global shapes across a block of trials. Under these circumstances, the local red element reduced global-to-local interference in addition to speeding local responses. The results suggest that the efficiency with which local elements are segmented and selected affects responses to local aspects of hierarchical patterns; furthermore, the effect of local pop-out on global processing is contingent on top-down attentional control settings. 相似文献
482.
This research explores how mood interacts with outcome and implemental mind‐sets to influence motivation to work toward a goal. We propose and demonstrate that being in a positive (vs. neutral) mood increases motivation for those in an outcome mind‐set. Conversely, being in a positive (vs. neutral) mood decreases motivation for those in an implemental mind‐set. We argue that the reason for this is rooted in the role of positive mood on the number of available goal attainment means: Positive (vs. neutral) mood was found to increase the number of accessible goal attainment activities. For those in an outcome mind‐set, the increased number of goal attainment activities increases motivation because more activities are perceived as more available opportunities or strategies that may aid in successful goal attainment. For those in an implemental mind‐set, where one considers detailed steps and processes required for goal completion, motivation is decreased, because availability of more activities increases perceived difficulty of goal execution. Five studies support these hypotheses, showing differences in available activities depending on mood, differences in perceptions of those activities depending on mind‐set, and differences in motivation depending on the interaction of mood and mind‐set. 相似文献
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“要有创造性”指导语效应(effects of explicit instructions to“be creative”),是指在创造力测验或实验任务中,明确要求“要有创造性”(be creative)的指导语,能够促进被试的创造性表现的现象。该效应的理论解释主要有最大化表现理论、目标设置理论和注意控制理论。在指导语中对“创造性”作出解释、创造性任务的类型以及被试特征,都会影响“要有创造性”指导语效应的产生。在创造性教学过程中,可以根据“要有创造性”指导语效应发生的机制,从设置创造性目标、根据任务特征施加精细指导、结合学生特征实施个性化教学三个方面,设计创造性活动,以促进学生创新能力的发展。 相似文献
485.
Home environmental influences on children's language and reading skills in a genetically sensitive design: Are socioeconomic status and home literacy environment environmental mediators and moderators? 下载免费PDF全文
Bonnie Wing‐Yin Chow Connie Suk‐Han Ho Simpson W. L. Wong Mary M. Y. Waye Mo Zheng 《Scandinavian journal of psychology》2017,58(6):519-529
This twin study examined how family socioeconomic status (SES) and home literacy environment (HLE) contributes to Chinese language and reading skills. It included 312 Chinese twin pairs aged 3 to 11. Children were individually administered tasks of Chinese word reading, receptive vocabulary and reading‐related cognitive skills, and nonverbal reasoning ability. Information on home environment was collected through parent‐reported questionnaires. Results showed that SES and HLE mediated shared environmental influences but did not moderate genetic influences on general language and reading abilities. Also, SES and HLE mediated shared environmental contributions to receptive vocabulary and syllable and rhyme awareness, but not orthographic skills. The findings of this study add to past twin studies that focused on alphabetic languages, suggesting that these links could be universal across languages. They also extend existing findings on SES and HLE's contributions to reading‐related cognitive skills. 相似文献
486.
EARLY HEAD START FAMILIES’ EXPERIENCES WITH STRESS: UNDERSTANDING VARIATIONS WITHIN A HIGH‐RISK,LOW‐INCOME SAMPLE 下载免费PDF全文
Jason T. Hustedt Jennifer A. Vu Kaitlin N. Bargreen Rena A. Hallam Myae Han 《Infant mental health journal》2017,38(5):602-616
The federal Early Head Start program provides a relevant context to examine families’ experiences with stress since participants qualify on the basis of poverty and risk. Building on previous research that has shown variations in demographic and economic risks even among qualifying families, we examined possible variations in families’ perceptions of stress. Family, parent, and child data were collected to measure stressors and risk across a variety of domains in families’ everyday lives, primarily from self‐report measures, but also including assay results from child cortisol samples. A cluster analysis was employed to examine potential differences among groups of Early Head Start families. Results showed that there were three distinct subgroups of families, with some families perceiving that they experienced very high levels of stress while others perceived much lower levels of stress despite also experiencing poverty and heightened risk. These findings have important implications in that they provide an initial step toward distinguishing differences in low‐income families’ experiences with stress, thereby informing interventions focused on promoting responsive caregiving as a possible mechanism to buffer the effects of family and social stressors on young children. 相似文献
487.
We propose and test a novel approach for eliciting subjective joint probabilities. In the proposed approach, judges compare pairs of possible outcomes and identify which of the two is more likely and by how much. These pair‐wise comparative judgments create a matrix of ratio judgments from which the target probabilities are extracted using the rows' (or columns') geometric means. In Study 1, subjects provided direct assessments of the likelihood of joint events (e.g., sunny days and stock market gains) and also made pair‐wise comparisons of the same joint events. Subjects in Study 2 learnt the distribution of hypothetical events pairs and provided direct and ratio estimates. In both studies, the ratio estimates were significantly more accurate than the direct estimates. The results suggest that it is possible to elicit probabilistic estimates without explictly asking for probabilities and that the pair‐wise approach is a candidate for complementing or replacing traditional elicitation approaches. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
488.
To facilitate understanding of the factors associated with child depressive symptoms in middle childhood, we examined the roles of parental support for autonomy and parent–child attachment in child depressive symptoms among 150 Chinese parent–child dyads. The participating children’s ages ranged from 6 to 12 years old. Parental support for autonomy was coded from a conflict resolution and a cooperation task. Children reported their depressive symptoms and their attachment relationships with the participating parents. After controlling for parent depressive symptoms, parental support for autonomy was associated with fewer child depressive symptoms. The association between parental support for autonomy and child depressive symptoms was mediated by parent–child attachment quality, suggesting that parental support for autonomy was negatively associated with child depressive symptoms through its positive association with parent–child attachment quality. Moreover, the positive association between parental support for autonomy and parent–child attachment quality was stronger for older children. The current study expanded the knowledge on parental support for autonomy in middle-childhood and its association with parent–child relationships and child mental health. Future research is encouraged to pay more attention to the role of parental support for autonomy in various aspects of child development for children in middle-childhood and pre-adolescence. 相似文献
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Straatemeier M van der Maas HL Jansen BR 《Journal of experimental child psychology》2008,100(4):276-296
In the field of children’s knowledge of the earth, much debate has concerned the question of whether children’s naive knowledge—that is, their knowledge before they acquire the standard scientific theory—is coherent (i.e., theory-like) or fragmented. We conducted two studies with large samples (N = 328 and N = 381) using a new paper-and-pencil test, denoted the EARTH (EArth Representation Test for cHildren), to discriminate between these two alternatives. We performed latent class analyses on the responses to the EARTH to test mental models associated with these alternatives. The naive mental models, as formulated by Vosniadou and Brewer, were not supported by the results. The results indicated that children’s knowledge of the earth becomes more consistent as children grow older. These findings support the view that children’s naive knowledge is fragmented. 相似文献