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81.
Domain knowledge facilitates performance in many cognitive tasks. However, very little is known about the interplay between domain knowledge and factors that are believed to reflect general, and relatively stable, characteristics of the individual. The primary goal of this study was to investigate the interplay between domain knowledge and one such factor: working memory capacity. Adults from wide ranges of working memory capacity, age, and knowledge about the game of baseball listened to, and then answered questions about, simulated radio broadcasts of baseball games. There was a strong facilitative effect of preexisting knowledge of baseball on memory performance, particularly for information judged to be directly relevant to the baseball games. However, there was a positive effect of working memory capacity on memory performance as well, and there was no indication that domain knowledge attenuated this effect. That is, working memory capacity contributed to memory performance even at high levels of domain knowledge. Similarly, there was no evidence that domain knowledge attenuated age-related differences (favoring young adults) in memory performance. We discuss implications of the results for understanding proficiency in cognitive domains from an individual-differences perspective. 相似文献
82.
We provide an "executive-attention" framework for organizing the cognitive neuroscience research on the constructs of working-memory capacity (WMC), general fluid intelligence, and prefrontal cortex (PFC) function. Rather than provide a novel theory of PFC function, we synthesize a wealth of single-cell, brain-imaging, and neuropsychological research through the lens of our theory of normal individual differences in WMC and attention control (Engle, Kane, & Tuholski, 1999; Engle, Tuholski, Laughlin, & Conway, 1999). Our critical review confirms the prevalent view that dorsolateral PFC circuitry is critical to executive-attention functions. Moreover, although the dorsolateral PFC is but one critical structure in a network of anterior and posterior "attention control" areas, it does have a unique executive-attention role in actively maintaining access to stimulus representations and goals in interference-rich contexts. Our review suggests the utility of an executive-attention framework for guiding future research on both PFC function and cognitive control. 相似文献
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Rumination, emotion, and forgiveness: three longitudinal studies 总被引:3,自引:0,他引:3
In 3 studies, the authors investigated whether within-persons increases in rumination about an interpersonal transgression were associated with within-persons reductions in forgiveness. Results supported this hypothesis. The association of transient increases in rumination with transient reductions in forgiveness appeared to be mediated by anger, but not fear, toward the transgressor. The association of rumination and forgiveness was not confounded by daily fluctuations in positive affect and negative affect, and it was not moderated by trait levels of positive affectivity, negative affectivity, or perceived hurtfulness of the transgression. Cross-lagged associations of rumination and forgiveness in Study 3 more consistently supported the proposition that increased rumination precedes reductions in forgiveness than the proposition that increased forgiveness precedes reductions in rumination. 相似文献
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Sofia Stathi Lindsey Cameron Bonny Hartley Shona Bradford 《Journal of applied social psychology》2014,44(8):536-546
The present research tested a prejudice‐reduction intervention based on imagined contact. White children imagined interacting with a child from an ethnic out‐group (Asian) once a week for 3 weeks, or did not take part in this activity (control group). Compared with the control group, children who engaged in imagined contact subsequently showed more positive attitudes, greater perceived similarity, and willingness for intergroup contact. The effect of the intervention on willingness for contact was mediated by positive attitude change. Implications for imagined‐contact theory and the development of prejudice‐reduction techniques for schools are discussed. 相似文献
88.
Jodi Price Lindsey M. Clement Barbara J. Wright 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2014,21(1):68-98
Numerosity estimation, the rapid assessment of the number of items in a visual scene, is historically inaccurate. We assessed whether providing feedback regarding the correct numerosity on either 0%, 50%, or 100% of the trials would affect younger and older adults’ estimation accuracy for randomized, clustered (i.e., groups of 3 or 7 dots), and stacked (i.e., column) dot formats. Participants provided estimates and confidence ratings in six blocks, each containing 48 trials (16 numerosities shown in each format). Feedback frequency was manipulated between participants during blocks 1–4; no feedback was provided during blocks 5 and 6, which contained old and new numerosities and previously estimated presentations rotated 90°. Estimation accuracy was age equivalent across blocks despite younger adults initially being more accurate than older adults. Feedback improved both age groups’ accuracy. Stacked presentations were most accurately estimated but were more likely to be over-estimated than clustered and randomized presentations. Older adults gave lower confidence ratings than younger adults despite both age groups showing increased confidence across blocks, for more structured presentation formats, and as feedback frequency increased. These results expand our understanding of the role of presentation format and feedback in producing age equivalence or age-related differences in numerosity estimation. 相似文献
89.
John T. Rapp Lindsey A. Gomes Tammy J. Frazer Tracie L. Lindblad 《Behavioral Interventions》2014,29(2):106-124
Results of brief functional analyses indicated that motor and vocal stereotypy persisted in the absence of social consequences for five participants diagnosed with autism spectrum disorder (ASD). Subsequently, effects of a stimulus control procedure involving contingent reprimands for each participant's higher probability (targeted) stereotypy were evaluated. Results indicated that contingent verbal reprimands (i) decreased the targeted stereotypy for all five participants, (ii) decreased the untargeted stereotypy for two of five participants, and (iii) increased the untargeted stereotypy for one of five participants. Although response suppression was not achieved for any participant, three participants maintained low levels of the target stereotypy with one or two reprimands during 5‐min sessions. Furthermore, two of those participants maintained near‐zero levels of motor and vocal stereotypy during 10‐min sessions. These findings suggest that signaled verbal reprimands may be a practical intervention for reducing stereotypy in some children with ASD. Some limitations of the findings and areas of future research are briefly discussed. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
90.
Sean H. K. Kang Robert V. Lindsey Michael C. Mozer Harold Pashler 《Psychonomic bulletin & review》2014,21(6):1544-1550
If multiple opportunities are available to review to-be-learned material, should a review occur soon after initial study and recur at progressively expanding intervals, or should the reviews occur at equal intervals? Landauer and Bjork (1978) argued for the superiority of expanding intervals, whereas more recent research has often failed to find any advantage. However, these prior studies have generally compared expanding versus equal-interval training within a single session, and have assessed effects only upon a single final test. We argue that a more generally important goal would be to maintain high average performance over a considerable period of training. For the learning of foreign vocabulary spread over four weeks, we found that expanding retrieval practice (i.e., sessions separated by increasing numbers of days) produced recall equivalent to that from equal-interval practice on a final test given eight weeks after training. However, the expanding schedule yielded much higher average recallability over the whole training period. 相似文献