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Annika Melinder Gustaf Gredebäck Alissa Westerlund Charles A. Nelson 《Developmental science》2010,13(4):588-598
We investigated the neural processing underlying own‐age versus other‐age faces among 5‐year‐old children and adults, as well as the effect of orientation on face processing. Upright and inverted faces of 5‐year‐old children, adults, and elderly adults (> 75 years of age) were presented to participants while ERPs and eye tracking patterns were recorded concurrently. We found evidence for an own‐age bias in children, as well as for predicted delayed latencies and larger amplitudes for inverted faces, which replicates earlier findings. Finally, we extend recent reports about an expert‐sensitive component (P2) to other‐race faces to account for similar effects in regard to other‐age faces. We conclude that differences in neural activity are strongly related to the amount and quality of experience that participants have with faces of various ages. Effects of orientation are discussed in relation to the holistic hypothesis and recent data that compromise this view. 相似文献
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Developing interventions to increase happiness is a major focus of the emerging field of positive psychology. Common beliefs about the need to reduce stress to obtain happiness suggest that stress management activities should be included in these interventions. However, the research on the relationship between positive and negative affect is equivocal. Theoretically, they are conceptualized as independent dimensions, but research has often found an inverse relationship between happiness and stress. In addition, the research generally attempts to assess stress objectively rather than in terms of the cognitive appraisal process. The current study examines the relationship between perceived stress and happiness among 100 college students to determine if the same inverse relationship exists. Linear correlations between happiness and perceived stress were significant indicating that there was an inverse relationship between these variables. The discussion focuses on several factors that might help to explain the observed relationship. 相似文献
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Stacey R. Kessler Adam C. Bandelli Paul E. Spector Walter C. Borman Carnot E. Nelson Lisa M. Penney 《Journal of applied social psychology》2010,40(8):1868-1896
Machiavellianism has been studied extensively over the past 40 years as a personality characteristic that shares features with the manipulative leadership tactics Machiavelli advocated in The Prince. We introduce a new model of Machiavellianism based in organizational settings that is multidimensional, incorporating aspects not previously included in Machiavellianism scales. Our model consists of 3 factors: maintaining power, harsh management tactics, and manipulative behaviors. The results of 3 studies are summarized, discussing the development of these 3 factors and how they relate to individual‐difference and organizational variables. 相似文献
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Increasing accuracy motivation (e.g., by providing monetary incentives for accuracy) often fails to increase adjustment away from provided anchors, a result that has led researchers to conclude that people do not effortfully adjust away from such anchors. We challenge this conclusion. First, we show that people are typically uncertain about which way to adjust from provided anchors and that this uncertainty often causes people to believe that they have initially adjusted too far away from such anchors (Studies 1a and 1b). Then, we show that although accuracy motivation fails to increase the gap between anchors and final estimates when people are uncertain about the direction of adjustment, accuracy motivation does increase anchor-estimate gaps when people are certain about the direction of adjustment, and that this is true regardless of whether the anchors are provided or self-generated (Studies 2, 3a, 3b, and 5). These results suggest that people do effortfully adjust away from provided anchors but that uncertainty about the direction of adjustment makes that adjustment harder to detect than previously assumed. This conclusion has important theoretical implications, suggesting that currently emphasized distinctions between anchor types (self-generated vs. provided) are not fundamental and that ostensibly competing theories of anchoring (selective accessibility and anchoring-and-adjustment) are complementary. 相似文献