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171.
172.
Anderson JR Betts S Ferris JL Fincham JM 《Cognitive, affective & behavioral neuroscience》2011,11(1):52-67
Students were taught an algorithm for solving a new class of mathematical problems. Occasionally in the sequence of problems,
they encountered exception problems that required that they extend the algorithm. Regular and exception problems were associated
with different patterns of brain activation. Some regions showed a Cognitive pattern of being active only until the problem
was solved and no difference between regular or exception problems. Other regions showed a Metacognitive pattern of greater
activity for exception problems and activity that extended into the post-solution period, particularly when an error was made.
The Cognitive regions included some of parietal and prefrontal regions associated with the triple-code theory of (Dehaene,
S., Piazza, M., Pinel, P., & Cohen, L. (2003). Three parietal circuits for number processing. Cognitive Neuropsychology, 20, 487–506) and associated with algebra equation solving in the ACT-R theory (Anderson, J. R. (2005). Human symbol manipulation
within an 911 integrated cognitive architecture. Cognitive science, 29, 313–342. Metacognitive regions included the superior prefrontal gyrus, the angular gyrus of the triple-code theory, and
frontopolar regions. 相似文献
173.
PRIMING FROM THE ATTENTIONAL BLINK: 总被引:3,自引:0,他引:3
Abstract —When people must detect several targets in a very rapid stream of successive visual events at the same location, detection of an initial target induces misses for subsequent targets within a brief period. This attentional blink may serve to prevent interruption of ongoing target processing by temporarily suppressing vision for subsequent stimuli. We examined the level at which the internal blink operates, specifically, whether it prevents early visual processing or prevents quite substantial processing from reaching awareness. Our data support the latter view. We observed priming from missed letter targets, benefiting detection of a subsequent target with the same identity but a different case. In a second study, we observed semantic priming from word targets that were missed during the blink. These results demonstrate that attentional gating within the blink operates only after substantial stimulus processing has already taken place. The results are discussed in terms of two forms of visual representation, namely, types and tokens. 相似文献
174.
Jon W. Nakamura Carol R. McLeod John F. McDermott 《Suicide & life-threatening behavior》1994,24(4):343-349
The purpose of this study was to examine the association between adolescent suicide attempts and temporal cycles in a multiethnic population. Medical records at two hospitals in the state of Hawaii were reviewed for all adolescents (ages 12–18) admitted for suicide attempts during the years 1987–1991. Results showed 296 adolescents attempted suicide, and as hypothesized, temporal factors were associated with the attempts. A significant increase in attempts was found during the afternoon/evening and on Mondays and Tuesdays, transition points between home and school. The results are discussed and implications for delivery and temporal theory development considered. 相似文献
175.
This study examines the relationships among positive life events, negative life events, and depressive symptoms in a sample of college students. Consistent with predictions, the results of a hierarchical multiple regression indicated a significant main effect for negative life events in predicting depressive symptoms such that increases in negative life events were associated with increases in depressive symptoms. There was also significant interaction between positive and negative life events such that the depressive effects of higher levels of negative life events seem to be reduced for subjects who had also experienced higher levels of positive life events. 相似文献
176.
Some philosophers writing on the possibility of faultless disagreement have argued that the only way to account for the intuition that there could be disagreements which are faultless in every sense is to accept a relativistic semantics. In this article we demonstrate that this view is mistaken by constructing an absolutist semantics for a particular domain – aesthetic discourse – which allows for the possibility of genuinely faultless disagreements. We argue that this position (Humean absolutism) is an improvement over previous absolutist responses to the relativist's challenge and that it presents an independently plausible account of the semantics of aesthetic discourse. 相似文献
177.
Affiliation‐seeking among the powerless: Lacking power increases social affiliative motivation 下载免费PDF全文
Charleen R. Case Kyle E. Conlon Jon K. Maner 《European journal of social psychology》2015,45(3):378-385
Although it is well known that many people possess fundamental desires for both social affiliation and power, research has only begun to investigate the interplay between these two core social motives. The current research tested the hypothesis that an individual's level of power would influence that person's level of social affiliative motivation. We predicted that, compared with participants in a control condition, (1) individuals who possess power would exhibit less social affiliative motivation; and (2) individuals who lack power would display greater social affiliative motivation. Although we found little evidence to support the former prediction, we observed consistent evidence across two experiments that supported the latter. In Experiment 1, priming participants with low power (versus control) led them to display greater interest in joining a campus service aimed at fostering new friendships among students. In Experiment 2, placing participants in a position of low power (versus control) led them to seek greater proximity to a partner. Together, these results suggest that lacking power motivates people to seek social affiliation. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
178.
Jon Garthoff 《The Southern journal of philosophy》2015,53(2):178-195
In this essay I review an underappreciated strand of thought according to which the best Kantian moral theory has less in common with paradigmatically deontological theories and more in common with virtue theories than is standardly maintained. I then argue this program should be continued further, to provide not only a virtue‐based account of moral judgment but also a virtue‐based account of moral worth. I make a case that this fusion of Kantian theory with virtue theory provides the best account of moral rules, and I close by suggesting that it generates a promising new understanding of moral rights. 相似文献
179.
Donald F. Sacco Kurt Hugenberg Jon A. Sefcek 《Personality and individual differences》2009,47(7):777-782
Across two studies, sexually unrestricted men and women showed heightened sensitivity to female facial symmetry (a signal of genetic fitness) and female sexual receptivity (happy facial expressions). In Study 1, individuals assessed the attractiveness of male and female targets of varying facial symmetry. Sexually unrestricted men and women, compared to their sexually restricted counterparts, showed a stronger symmetry advantage in attractiveness ratings for female targets, an indication of greater sensitivity to facial symmetry. Study 2 asked participants to discriminate between genuine (Duchenne) and deceptive smiles on both male and female faces. Results indicated that sexually unrestricted men and women, compared to sexually restricted individuals, were better able to discriminate between these actual and deceptive signals of receptivity for female targets. Neither study found any relationship between sociosexual orientation and the perception of male targets. These results suggest that sexually unrestricted individuals are attuned to reproductively-relevant cues in female faces. 相似文献
180.
Jon Oberlander 《Kognitionswissenschaft》1998,7(1):33-38
Syllogistic reasoning can be modelled with mental models. Heterogeneous reasoning brings together propositional and visual information, and in the Hyperproof logic-teaching system, the visual can act as a model for the propositional. Both mental models notation and Hyperproof’s visual representations allow abstractions of a limited kind. Individual differences in reasoning performance have been found in both domains. We suggest that at least some of the differences can be attributed to students’ differing ability to manipulate abstractions. 相似文献