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991.
The feedback negativity (FN) is an event-related potential component which is typically conceptualized as a negativity in response to losses that is absent in response to gains. However, there is also evidence that variation in the FN reflects the neural response to gains. The present study sought to explore these possibilities by manipulating the context in which loss and gain feedback was presented in a straightforward gambling task. In half the blocks, participants could win or lose money (Value condition), and in half the blocks, participants could not win or lose any money (No Value condition). The degree to which losses and gains were differentiated from one another (i.e., the ΔFN) was greater in the Value condition than in the No Value condition. Furthermore, though the responses to loss feedback and gain feedback were each enhanced in the Value condition relative to the No-Value condition, the effect of the monetary manipulation was substantially larger for the positivity to gains than the negativity to losses. This is consistent with the notion that the FN might reflect two independent processes, but that variation in the FN depends more upon the response to rewards than losses. 相似文献
992.
In this study, we examined the effects of emotional experience, a relatively new dimension of emotional knowledge that gauges the ease with which words evoke emotional experience, on abstract word processing in the Stroop task. In order to test the context‐dependency of these effects, we accentuated the saliency of this dimension in Experiment 1A by blocking the stimuli such that one block consisted of the stimuli with the highest emotional experience ratings and the other block consisted of the stimuli with the lowest emotional experience ratings. We attenuated the saliency of this dimension in Experiment 1B by intermixing the stimuli. We observed slower color naming performance for words with higher emotional experience ratings only in Experiment 1A, suggesting that the dimension of emotional experience is an aspect of semantic representation for abstract words but that its influence can be modulated by context. We interpret these results more generally using Vigliocco, Meteyard, Andrews, and Kousta's (2009) framework of semantic representation, and more specifically using Cohen, Dunbar, and McClelland's (1990) model of Stroop task performance. 相似文献
993.
Downsizing and Supersizing: How Changes in Product Attributes Influence Consumer Preferences
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This paper investigates how changing the value of one attribute while keeping other attributes constant influences consumers' judgments and behaviors. We find that in two options, a proportionally equal change in one attribute tilts people's preference toward the option with higher (or lower) absolute magnitude of change when the change is desirable (or undesirable). We propose that when individuals face an attribute change, they use a deliberative and effortful response, known as System 2, to detect the change. However, they rely less on this system to evaluate the changed options. Instead, a more automatic System 1 processing influences their decision by making them apply the bigger‐is‐better heuristic (bigger‐is‐worse for an undesirable change) to prefer the option with the highest (lowest) absolute magnitude of change. Six studies demonstrate this phenomenon in both lab and real settings and support our hypothesis. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
994.
Cognitive processing therapy (CPT) and eye movement desensitization and reprocessing (EMDR) therapy were compared for veterans in a posttraumatic stress disorder (PTSD) residential program (N = 51) who received individual EMDR and group CPT, individual CPT and group CPT, or trauma group exposure (TGE) therapy. Analyses revealed an overall significant difference on posttest measures of the PTSD Checklist for individual EMDR/group CPT and individual CPT/group CPT when compared to TGE, with no significant difference found between EMDR and CPT. Depression scores were significantly decreased between pre- and posttest for patients who received individual EMDR/group CPT. Results support EMDR and CPT as clinically effective and complementary treatments in residential PTSD treatment programs. 相似文献
995.
Today's business interactions are characterized by encounters between people with diverse language backgrounds. This article examines how, why and under what circumstances regional or foreign speech patterns affect consumer judgments and reactions. Building on a synthesis of accent research and theories, including the work of related disciplines such as linguistics and social psychology, this article suggests an integrative model that helps to understand accent effects in business contexts. The model disentangles the effects of social categorization, stereotype activation, and speech processing that jointly influence different business-related outcomes. The model highlights three categories of factors that moderate these accent effects, namely sender, receiver, and communication variables. The paper further identifies several issues which remain unresolved and which require continued research. An agenda for future research sets out several propositions to help researchers approach regional and foreign accents in business environments. 相似文献
996.
997.
四重模型(The Quadruple Process Model,简称Quad Model)是一个可对内隐任务中四种性质不同加工的独立、同时性影响进行测量的多项式模型。首先采用武器识别任务等实例对模型参数、结构、数据分析及可行性进行说明;随后介绍该模型在内隐研究中的应用,涉及情境易变性与可塑性、个体与群体差异及内隐任务外行为等三类问题;最后从多方面对其进行评价与展望。 相似文献
998.
Foteini Christidi Evangelia Kararizou Nikolaos Triantafyllou Maria Anagnostouli Ioannis Zalonis 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(6):667-678
We examined the contribution of demographics and cognitive background variables (processing speed, visuospatial skill, working memory, and interference control) on derived Trail Making Test (TMT) scores in a large sample of Greek healthy participants. We included 775 participants and administered the TMT (TMT-A and TMT-B) and the Wechsler Intelligence Adult Scale (WAIS). Direct (TMT-A & TMT-B time-to-completion) and derived [difference TMT-(B ? A) & ratio TMT-(B/A)] scores were calculated. Demographics (age, age2, education, and gender) and WAIS Full Intelligence Quotient significantly predicted the direct TMT-A (R2 = 0.426) and TMT-B (R2 = 0.593) scores and to a lesser extent, the derived TMT-(B ? A) (R2 = 0.343) and TMT-(B/A) (R2 = 0.088) scores. In a subsample of 537 healthy participants who also completed the Stroop Neuropsychological Screening Test (SNST), demographics (age and education), WAIS Digit Symbol, Block Design, Arithmetic, and SNST accounted for 44.8% and 59.7% of the variance on TMT-A and TMT-B, and 32.5% and 9.6% of the variance on TMT-(B ? A) and TMT-(B/A), respectively. We found minimal influence of Block Design and Arithmetic on TMT-(B ? A) and an absence of significant influence of any cognitive variable on TMT-(B/A) score. Concluding, derived TMT scores are suggested as indices to detect impairment in cognitive flexibility across the adult life span, since they minimize the effect of demographics and other cognitive background variables. 相似文献
999.
Bonnie Lawrence Joel Myerson Sandra Hale 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(2):129-146
The present study compared the age-related decline in verbal and visuospatial processing speed in 131 participants aged 18 to 90 years. Participants performed four verbal and four visuospatial tasks. Age differences in processing speed were compared at the group and individual levels. For the group-level analyses, participants were divided into a young adult group and six older groups subdivided by decade. The mean verbal and visuospatial response times (RTs) for each group were regressed on the corresponding RTs of the young adult group. The slope of the visuospatial regression was greater than that for the verbal regression at all ages, and the difference between the visuospatial and verbal slopes increased with each decade. For the individual-level analyses, a verbal and a visuospatial processing-time coefficient (Hale & Jansen, 1994) was obtained for each individual, and these values were then regressed on age. Verbal processing time increased linearly by approximately 50% while visuospatial processing time increased exponentially by approximately 500% from 18 to 90 years. Taken together, the results at both the group and the individual level demonstrate that aging affects visuospatial processing to a much greater extent than verbal processing. 相似文献
1000.
Jay Pratt Christine N. Bellomo 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(1):19-31
The present study was designed to examine age-related differences in attentional capture. In the first experiment, participants identified targets defined either by an abrupt onset or by color difference. Prior to the presentation of the targets, onset or color cues were presented. It was found that color cues, but not onset cues, captured attention for color targets for both younger and older adults. It was also found, however, that onset and color cues captured attention for onset targets for both age groups. Moreover, while both types of cues yielded equivalent attentional capture effects with the younger adults, onset cues yielded greater effects for the older adults. The second experiment, using only younger adults, replicated the pattern of results found with the younger adults in the first experiment. The findings from these two experiments provide only partial support for the contingent involuntary orienting hypothesis, which suggests that only cues that share critical features with targets will capture attention. Moreover, the results also indicate that there are age-related differences in attentionalcapture. 相似文献