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271.
Four experiments investigated the memory distortions for the location of a dot in relation to two horizontally aligned landmarks. In Experiment 1, participants reproduced from memory a dot location with respect to the two landmarks. Their performance showed a systematic pattern of distortion that was consistent across individual participants. The three subsequent experiments investigated the time course of spatial memory distortions. Using a visual discrimination task, we were able to map the emergence of spatial distortions within the first 800 msec of the retention interval. After retention intervals as brief as 50 msec, a distortion was already present. In all but one experiment, the distortion increased with longer retention intervals. This early onset of spatial memory distortions might reflect the almost immediate decay of detailed spatial information and the early influence of an enduring spatial memory representation, which encodes spatial information in terms of the perceived structure of space. 相似文献
272.
Rahman RA Sommer W Schweinberger SR 《Journal of experimental psychology. Learning, memory, and cognition》2002,28(2):366-373
On seeing familiar persons, biographical (semantic) information is typically retrieved faster and more accurately than name information. Serial stage models explain this pattern by suggesting that access to the name follows the retrieval of semantic information. In contrast, interactive activation and competition (IAC) models hold that both processes start together but name retrieval is slower because of structural peculiarities. With a 2-choice go/no-go procedure based on a semantic and a name-related classification, the authors tested differential predictions of the 2 alternative models for reaction times (RTs) and lateralized readiness potentials (LRP). Both LRP (Experiment 1) and RT (Experiment 2) results are in line with IAC models of face identification and naming. 相似文献
273.
Information processing is impaired when two tasks are performed concurrently. The interference between the tasks is commonly attributed to structural bottlenecks or strategic scheduling of information processing. The present experiment investigated the effects of time pressure for the second of two responses on information processing in overlapping tasks by recording the lateralized readiness potential (LRP). Time pressure shortened the latency of the second response by diminishing the time devoted to motoric processing. In addition, task interference decreased under time pressure, which is probably due to the relatively early availability of the central bottleneck stage rather than to increased overlap of central stages. The LRP also provided direct evidence for an additional bottleneck following response selection, possibly due to supramodal refractoriness of response initiation. 相似文献
274.
The present study investigated developmental improvements in category exemplar generation priming in children from kindergarten to older elementary school age. The strength of categorical links for atypical exemplars increases in this age range, whereas category knowledge for typical exemplars remains relatively stable. Therefore, in comparison with older children, younger children should show less categorical-relational encoding and, thus, less priming for atypical items but not for typical items. This expectation was confirmed in Experiment 1. In Experiment 2, picture versus word format at study dissociated implicit and explicit performance, indicating that the age-related increase in priming for atypical exemplars in Experiment 1 was not an artifact of explicit contamination. The findings suggest that developmental improvements in conceptual priming can be observed when the conceptual knowledge relevant for a given task improves over the age range tested. 相似文献
275.
Four aspects of the item content of personality inventories were studied: the area of psychological functioning addressed (cognitive, preferences, feelings, behavioral), degree of reference to situational factors, degree of reference to response frequency, and the nature of reference to time. Three judges rated items of the California Psychological Inventory, Eysenck Personality Inventory, Maudsley Personality Inventory, Minnesota Multiphasic Personality Inventory, Jackson Personality Research Form, and Sixteen Personality Factor Questionnaire. Behavioral acts were found infrequently addressed in inventory items, and the other areas of functioning were approximately equally represented. More than half of the items referred to situation characteristics, 39% included the notion of frequency of behavior or experience, and most referred to the present. Rating reliabilities were also presented, and results for individual inventories were compared. Implications for controversies in the field of personality were discussed. 相似文献
276.
Werner Diederich 《Erkenntnis》1989,30(1-2):147-164
Marx develops his economic theory in Capital in a rather peculiar way. This paper focuses on some of these peculiarities, especially his attempt to base his account of prices and derivative entities (profit, rate of profit, etc.) on the labour theory of value. Although he may be said to have failed in this, there is still some kind of Marxist theory of prices possible. This is due to both, the so-called fundamental theorem (linking profit and surplus-value) and the possibility, shown by Sraffa and others, to determine prices from the physical parameters of production. By adding on an earlier paper of mine, in which the surplus-value theory has been reconstructed within the structuralistic framework, this paper sketches such a reconstruction for the basic parts of a full-blown Marxist economic theory of capitalistic production.I am indebted to Prof. Peter Flaschel for some useful hints. 相似文献
277.
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279.
Summary A series of experiments is reported concerning implicit memory in imaginal processing. In the standard condition, subjects had to encode word images before spelling a word. The spelling task was repeated in the test phase with the same words and with additional control words. Spelling times were registered after the image encoding. Implicit memory has been detected if repeated words can be spelled faster than control words. Experiment 1 showed that levels of processing manipulations (such as the additional generation of meaning images at encoding or variations in word concreteness) favor explicit memory, but do not show up in implicit memory. Experiment 2 demonstrated that implicit memory disappears if spelling at encoding took place on visually present words. Experiment 3 investigated whether the focusing of specific letter positions within the image may contribute to the effect, but this was not found. According to a processing view that underlies our task analysis, implicit memory depends on transfer-appropriate processing and is attributed to processes of image encoding or generation and image reconstruction or regeneration. 相似文献
280.
Carol M. Werner Michael J. Strube Allen M. Cole Dorothy K. Kagehiro 《Journal of applied social psychology》1985,15(7):409-427
An archival analysis of records from 206 criminal cases was used to evaluate the impact of personal and situational factors on jury verdicts. In particular, we evaluated whether repeated jury service produced bias in jurors that was sufficient to affect jury decisions. A variety of case characteristics and indices of prior jury experience was examined for their relative impact on trial outcomes. Several of the case characteristics were related to verdicts, but the personal characteristics were not. Although more than half of the juries contained experienced jurors, juror experience had little influence on verdicts in either major or subsidiary analyses. However, there was a slight tendency for small juries with large proportions of experienced jurors to convict. This result is consistent with data from Kentucky; a meta-analysis across the two data sets indicates that it is a reliable finding. The results have implications for the determination of jury size. We suggest that future research examine the possibility that increasing jury size may reduce the influence of an individual's bias by providing a balance of other jurors with no or offsetting biases. 相似文献