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31.
Are some video games associated with more life interference and psychopathology than others? Comparing massively multiplayer online role‐playing games with other forms of video game
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David Berle Vladan Starcevic Guy Porter Pauline Fenech 《Australian journal of psychology》2015,67(2):105-114
Massively multiplayer online role‐playing games (MMORPGs) are a type of video game that is considered to have particular potential to be associated with life interference and psychopathology when played frequently and intensively. This study sought to compare players of MMORPGs with players of other types of video game in terms of problematic use, life interference, and levels of psychopathology. An international sample of 1,945 video game players completed a series of questionnaires online. While MMORPG players reported increased rates of problematic use and life interference compared with non‐MMORPG players, there were no differences in levels of psychopathology. Differences between MMORPG players and non‐MMORPG players appeared to be associated with the increased amounts of time that MMORPG players played for: The amount of time spent playing appeared to mediate the relationships between type of game played and each of the problematic use and life interference variables. The implications of these findings are discussed. 相似文献
32.
Jennifer E. Porter 《Science as culture》2013,22(1):1-21
This article examines a narrative dilemma that popular texts on evolution face. On the one hand, popular science tends to privilege linear and culturally familiar narrative structures, as previous studies of popularization have often emphasized. On the other hand, however, the Darwinian idea of natural selection resists linear narration, as narrative theorist H. Porter Abbott has argued. This resistance arises from the fact that evolution by natural selection lacks proper narrative entities and narrative events and that it relies on two parallel narrative levels, the levels of species and organism. This paper explores how two popular science books on evolution negotiate this narrative dilemma by introducing a third narrative level. Both texts appropriate characteristics from the narrative levels of species and organism and project them on molecular and minute scales by portraying evolution as a micro-narrative that takes place in chromosomes, genes, cells and microscopic details of human organs. While this textual strategy produces a coherent and compelling narrative that for the most part succeeds in masking the structural gap between the narrative levels of species and organism, it also risks naturalizing cultural imagery. In particular, this micro-narrative tends to represent popular gender ideologies as biological truths embedded in molecular processes within our bodies. 相似文献
33.
Byron L. Zamboanga Seth J. Schwartz Lindsay S. Ham Lorna Hernandez Jarvis Janine V. Olthuis 《The Journal of genetic psychology》2013,174(4):359-376
Building on the theory of reasoned action (I. Ajzen & M. Fishbein, 1973, 1980; M. Fishbein & I. Ajzen, 1975) and expectancy theory, the authors examined the mediating role of alcohol expectancies in adolescent drinking behaviors by testing whether alcohol expectancy outcomes and valuations (the extent to which these outcomes are perceived as good or bad) mediate the association between peer influences and lifetime alcohol use. Early adolescents (N = 904) from 2 public middle schools in western Michigan completed a battery of questionnaires. Overall, results showed that alcohol expectancies and valuations partially mediated the relations between peer influences (peer use and peer approval) and lifetime alcohol use. The findings suggest that associating with peers who are perceived as using alcohol and approving of drinking may influence adolescents’ alcohol expectancies. The authors briefly discuss future research directions and implications for prevention. 相似文献
34.
Abstract Childhood obesity is reaching epidemic proportions in the United States today. Children become its victims and often carry obesity-producing habits into adulthood. Much research has been reported on obesity, but little has touched on how family dynamics affect childhood obesity. This article explores the family dynamics of childhood obesity, and presents evidence supporting the need for a family-based treatment model. 相似文献
35.
Jean Porter 《Philosophia》2013,41(2):289-300
According to Aquinas (1888–1906), the virtue of justice is a habit, that is to say, a stable disposition of the will. Many commentators have found this claim to be puzzling, since it is difficult to see what this might entail, beyond a simple tendency to choose and act in accordance with precepts of justice. However, this objection does not take account of the fact that for Aquinas, the will is the principle of human freedom, and as such, it is expressed through, but not limited to a capacity for particular choices and actions. It therefore needs stable dispositions, towards characteristic aims, in order to function effectively. This paper sets out a case for the cogency of Aquinas’s overall account of the will and its dispositions, by way of an examination of familiar expressions of human freedom which cannot be reduced to a series of individual choices and acts. It then turns to a closer examination of Aquinas’ analysis of the will, arguing that Aquinas’ claims about the orientation of the will towards some overarching and comprehensive good can fruitfully be understood in terms of this expansive conception of human freedom. 相似文献
36.
Kyle Menary Paul F. Collins James N. Porter Ryan Muetzel Elizabeth A. Olson Vipin Kumar Michael Steinbach Kelvin O. Lim Monica Luciana 《Intelligence》2013
Neuroimaging research indicates that human intellectual ability is related to brain structure including the thickness of the cerebral cortex. Most studies indicate that general intelligence is positively associated with cortical thickness in areas of association cortex distributed throughout both brain hemispheres. In this study, we performed a cortical thickness mapping analysis on data from 182 healthy typically developing males and females ages 9 to 24 years to identify correlates of general intelligence (g) scores. To determine if these correlates also mediate associations of specific cognitive abilities with cortical thickness, we regressed specific cognitive test scores on g scores and analyzed the residuals with respect to cortical thickness. The effect of age on the association between cortical thickness and intelligence was examined. We found a widely distributed pattern of positive associations between cortical thickness and g scores, as derived from the first unrotated principal factor of a factor analysis of Wechsler Abbreviated Scale of Intelligence (WASI) subtest scores. After WASI specific cognitive subtest scores were regressed on g factor scores, the residual score variances did not correlate significantly with cortical thickness in the full sample with age covaried. When participants were grouped at the age median, significant positive associations of cortical thickness were obtained in the older group for g-residualized scores on Block Design (a measure of visual-motor integrative processing) while significant negative associations of cortical thickness were observed in the younger group for g-residualized Vocabulary scores. These results regarding correlates of general intelligence are concordant with the existing literature, while the findings from younger versus older subgroups have implications for future research on brain structural correlates of specific cognitive abilities, as well as the cognitive domain specificity of behavioral performance correlates of normative gray matter thinning during adolescence. 相似文献
37.
James Porter Moreland 《Axiomathes》2013,23(2):247-259
In this article I present and (modestly) defend a hybrid position which we may call a Platonist constituent ontology. More specifically, I present a version of exemplification which entails (1) a certain form of Platonism, (2) a constituent ontology of ordinary objects, (3) a view of exemplification as a “tiedto” nexus, and (4) a view of properties as abstract objects that are non-spatially “in” ordinary objects. I clarify two sets of preliminary issues, present my hybrid analysis of exemplification, raise and seek to undercut an argument against my constituent realism, and surface some of the costs and benefits relevant to assessing the relative merits of relational versus constituent realism. 相似文献
38.
Robert E. Remez Emily F. Thomas Kathryn R. Dubowski Stavroula M. Koinis Natalie A. C. Porter Nina U. Paddu Marina Moskalenko Yael S. Grossman 《Attention, perception & psychophysics》2013,75(7):1353-1358
In a spoken utterance, a talker expresses linguistic constituents in serial order. A listener resolves these linguistic properties in the rapidly fading auditory sample. Classic measures agree that auditory integration occurs at a fine temporal grain. In contrast, recent studies have proposed that sensory integration of speech occurs at a coarser grain, approximate to the syllable, on the basis of indirect and relatively insensitive perceptual measures. Evidence from cognitive neuroscience and behavioral primatology has also been adduced to support the claim of sensory integration at the pace of syllables. In the present investigation, we used direct performance measures of integration, applying an acoustic technique to isolate the contribution of short-term acoustic properties to the assay of modulation sensitivity. In corroborating the classic finding of a fine temporal grain of integration, these functional measures can inform theory and speculation in accounts of speech perception. 相似文献
39.
Sinéad M. Rhodes Josephine N. Booth Lorna Elise Palmer Richard A. Blythe Mirela Delibegovic Nial J. Wheate 《The British journal of developmental psychology》2016,34(2):261-275
We examined the relationship between executive functions and both factual and conceptual learning of science, specifically chemistry, in early adolescence. Sixty‐three pupils in their second year of secondary school (aged 12–13 years) participated. Pupils completed tasks of working memory (Spatial Working Memory), inhibition (Stop‐Signal), attention set‐shifting (ID/ED), and planning (Stockings of Cambridge), from the CANTAB. They also participated in a chemistry teaching session, practical, and assessment on the topic of acids and alkalis designed specifically for this study. Executive function data were related to (1) the chemistry assessment which included aspects of factual and conceptual learning and (2) a recent school science exam. Correlational analyses between executive functions and both the chemistry assessment and science grades revealed that science achievements were significantly correlated with working memory. Linear regression analysis revealed that visuospatial working memory ability was predictive of chemistry performance. Interestingly, this relationship was observed solely in relation to the conceptual learning condition of the assessment highlighting the role of executive functions in understanding and applying knowledge about what is learned within science teaching. 相似文献
40.