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941.
Daniel J Levitin Kristen Cole Michael Chiles Zona Lai Alan Lincoln Ursula Bellugi 《Child neuropsychology》2004,10(4):223-247
Williams Syndrome (WS), a neurodevelopmental genetic disorder, is characterized by peaks and valleys in mental function: substantial impairments in cognitive domains such as reasoning, arithmetic ability, and spatial cognition, alongside relatively preserved skills in social domains, face processing, language, and music. We report the results of a comprehensive survey on musical behaviors and background administered to the largest sample of individuals with WS to date (n = 118, mean age = 20.4), and compare the results to those obtained from a control group of typically developing normal individuals (n = 118, mean age = 20.9) and two groups of individuals with other neurodevelopmental genetic disorders, Autism (n = 30, mean age = 18.2) and Down Syndrome (n = 40, mean age = 17.2). Individuals with WS were found to be rated higher in musical accomplishment, engagement, and interest than either of the comparison groups, and equivalent on most measures to the control group. Compared to all other groups including the controls, the WS individuals displayed greater emotional responses to music, manifested interest in music at an earlier age, and spent more hours per week listening to music. In addition, the effects of music listening (whether positive or negative) tended to last longer in the WS group. A factor analysis extracted seven principal components that characterize the musical phenotype in our sample, and discriminant function analysis of those factors was able to successfully predict group membership for the majority of cases. We discuss the neurobiological implications of these findings. 相似文献
942.
Who Develops Posttraumatic Stress Disorder? 总被引:2,自引:0,他引:2
943.
944.
Daniel Howard-Snyder 《Erkenntnis》2004,60(1):51-73
In this essay, I assess Keith Lehrer's case against Foundationalism, which consists of variations on three objections: The Independent Information or Belief Objection, The Risk of Error Objection, and the Hidden Argument Objection. I conclude that each objection fails for reasons that can be endorsed – indeed, I would say for reasons that should be endorsed – byantifoundationalists and foundationalists alike. 相似文献
945.
David D Montgomery GH Stan R Dilorenzo T Erblich J 《Personality and individual differences》2004,36(8):1945-1952
Despite the large literature concerning the impact of hope and expectancy on various outcomes (e.g., nonvolitional), less is known about the constructs of hope and expectancy themselves. In a recent study, Montgomery et al. (2003) demonstrated that hopes and expectancies are separate but related constructs; however, because both hopes and expectancies were measured within the same context, it is possible that these findings were simply a methodological artifact. Furthermore, it is unknown whether these data would generalize to other populations. Taking into account the importance of this distinction for both the expectancy and hope literatures, the present study sought to: (1) Determine if the distinction between hope and expectancy is a general and reliable phenomenon by using a culturally different sample (i.e., Romanian sample); and (2) Examine the robustness of this distinction by controlling for the context effect. One hundred-twenty five volunteers completed items in regard to 10 nonvolitional outcome scenarios in one of five measurement contexts. The results revealed that hope and expectancy were distinct constructs (p<0.0001), and that this distinction is both general and robust across contexts. Implications for theory and research are discussed. 相似文献
946.
The authors examined the relationship between sibling structure variables (i.e., gender, number of sisters, number of brothers, sibling spacing, number of siblings, and birth order, all men, and all women siblings) and current relationships with parents and spouse/partners. Participants included 519 adults between the ages of 19 and 59 years. Two separate canonical correlations were conducted. The results for men indicated that being a younger man with an all‐male sibling group was related to more intimacy with parents and more intimidation by parents. For women, being an older woman with more brothers and more siblings was related to less intimidation by parents and less intimacy with parents and spouses/partners. 相似文献
947.
948.
Daniel C. Molden 《Social and Personality Psychology Compass》2012,6(2):156-169
Beyond motivations to achieve particular outcomes, people also have motivations to use particular strategies while pursuing these outcomes. This article integrates research on the latter strategic preferences and discusses the place of such research in the broader investigation of motivated thinking. A review of studies examining the strategic preferences stemming from both motivations for promotion versus prevention ( Higgins, 1997 ) and motivations for locomotion versus assessment ( Higgins, Kruglanski, & Pierro, 2003 ) illustrates that these preferences have unique effects on basic processes of judgment, including the evaluation of alternative hypotheses or counterfactuals, the prioritization of fast versus accurate information processing, and the recall and activation of knowledge from memory. Moreover, this review also demonstrates important interactions between strategic preferences and outcome preferences. Strategic preferences thus appear to make distinct and important contributions to understanding how motivation influences judgment and should feature prominently in general analyses of motivated thinking. 相似文献
949.
Craig S Lewandowsky S Little DR 《Journal of experimental psychology. Learning, memory, and cognition》2011,37(3):673-687
The assumption in some current theories of probabilistic categorization is that people gradually attenuate their learning in response to unavoidable error. However, existing evidence for this error discounting is sparse and open to alternative interpretations. We report 2 probabilistic-categorization experiments in which we investigated error discounting by shifting feedback probabilities to new values after different amounts of training. In both experiments, responding gradually became less responsive to errors, and learning was slowed for some time after the feedback shift. Both results were indicative of error discounting. Quantitative modeling of the data revealed that adding a mechanism for error discounting significantly improved the fits of an exemplar-based and a rule-based associative learning model, as well as of a recency-based model of categorization. We conclude that error discounting is an important component of probabilistic learning. 相似文献
950.
Voyer D 《Brain and cognition》2011,76(2):245-255
The present study quantified the magnitude of sex differences in perceptual asymmetries as measured with dichotic listening. This was achieved by means of a meta-analysis of the literature dating back from the initial use of dichotic listening as a measure of laterality. The meta-analysis included 249 effect sizes pertaining to sex differences and 246 effect sizes for the main effect of laterality. The results showed small and homogeneous sex differences in laterality in favor of men (d=0.054). The main effect of laterality was of medium magnitude (d=0.609) but it was heterogeneous. Homogeneity for the main effect of laterality was achieved through partitioning as a function of task, demonstrating larger asymmetries for verbal (d=0.65) than for non-verbal tasks (d=0.45). The results are discussed with reference to top-down and bottom-up factors in dichotic listening. The possible influence of a publication bias is also discussed. 相似文献