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Sidney Siegel 《Psychometrika》1959,24(4):303-316
A theoretical approach to the understanding of human behavior in uncertain outcome situations is suggested, an approach which draws upon utility theory, decision-making theory, and statistical association theory. Experimental evidence supporting this approach as opposed to alternative approaches is summarized. Three different formalizations are presented, and a variety of experimental tests is suggested.This paper was written while the author was at the Center for Advanced Study in the Behavioral Sciences, and it has benefited greatly from discussions with many colleagues there. In particular, some of the features of Models I and II emerged from work with Robert P. Abelson, and Model III was developed to its present state partly as a result of consultations with Claude Shannon, and John C. Harsanyi (of the Department of Economics at Stanford University). The treatment of all three models was sharpened during many discussions with Robert M. Solow. 相似文献
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This experiment, with 167 introductory psychology subjects, successfully replicated and extended to a wider array of affective,
evaluative, and cognitive reactions, previous research on how would-be helpers cope when their help is rejected. It again
supported the thesis that violation of perceived expectancy of acceptance mediates the effects of rejection. Using an individual
difference measure of generalized self-perceptions of being a person who is sufficientlyefficacious and caring (acronym, EFCA) to help others, we found support for the predictions that high EFCAs would react more strongly than low EFCAs
on “proximal” forms of coping, but relatively less strongly on “confrontational” (future-oriented) forms. Our rationale was
that high EFCAs expect more acceptance, are more optimistic, and have greater self-investment in the outcome. Mixed support
was obtained for the prediction that situational differences in prior expectancy of acceptance moderate the effects of rejection.
Portions of the research were presented by the first author at the 98th Annual Convention of the American Psychological Association,
Boston, August 1990. 相似文献
16.
Can spatial frequency differences between local and global forms account for differences in the way different levels of structure are analyzed? We examined this question by having subjects identify local or global forms of hierarchical stimuli that had beencontrast balanced. Contrast balancing eliminates low spatial frequencies, so that both local and global forms must be identified on the basis of high spatial frequency information. Response times (RTs) to global (but not local) forms were slowed for contrast-balanced stimuli, suggesting that low spatial frequencies mediate the global RT advantage typically found. In contrast, interference between local and global forms was little affected by contrast balancing or by shifts of attention between local and global forms, suggesting that it does not result from inhibitory interactions between spatial frequency channels or from temporal precedence of low versus high spatial frequency information. Finally, shifts of attention between local and global forms were also little affected by contrast balancing, suggesting that they were not based on spatial frequency. 相似文献
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The Psychophysiology of Sensation Seeking 总被引:7,自引:0,他引:7
Marvin Zuckerman 《Journal of personality》1990,58(1):313-345
This article summarizes studies relating the trait of sensation seeking to electrodermal and heart-rate responses and cortical evoked potential arousal. Stimulus factors of novelty, intensity, and stimulus significance are important. High sensation seekers tend to give stronger physiological orienting responses than lows to novel stimuli of moderate intensity, particularly when such stimuli are of specific interest. Lows tend to show defensive responses as defined by heart-rate acceleration. The cortical reaction of the highs tends to be augmented by intense visual or auditory stimuli, while that of the lows tends to be reduced or unresponsive to variations in stimulus intensity. Differences between psychophysiological responses of high and low sensation seekers are interpreted as reflective of different evolved biological strategies for processing novel or intense stimulation. 相似文献
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Abstract -Object tokens are episodic visual representations that mediate the ability to track visual events as they move about and change over time. Multiple tokens also allow the viewer to individuate multiple instances of a single type of object. In the present study, we established a functional link for object tokens in two seemingly disparate visual phenomena: apparent motion and repetition blindness [RB]. In RB, repeated items are more difficult to perceive than unre-peated items. Using displays in which two sets of alphanumeric characters streamed in opposite directions across a computer screen in apparent motion, we found increased RB for targets appearing within a single apparent motion stream, relative to targets in different apparent motion streams. The results are inconsistent with refractory period or memory retrieval accounts of RB and support the role of object tokens in both apparent motion and RB. 相似文献
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Sidney Grifith 《Islam & Christian-Muslim Relations》1997,8(2):193-210
Louis Massignon (1883–1962) was one of the West's most renowned scholars of Islam in the twentieth century. He was also one of the most influential thinkers in the Roman Catholic community before the second Vatican council on the relationship between the church and Muslims. His religious views on Islam, Muhammad, and the Qur'an were largely responsible for the church's positive approach to dialogue with the Islamic world, as expressed in the document of Vatican II. Massignon believed that Muslims and Christians both worship the God of Abraham; that Muhammad was a sincere spokesman of God; that the Qur'an is in some sense inspired; that Islam has a positive mission in the history of salvation; and that Arabic is a language of divine revelation. 相似文献
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One hundred and twenty-five university students were administered a battery of self-report measures to assess worry disposition and content, frequency of obsessive intrusive thoughts, and 10 conceptually derived appraisal dimensions of worry and obsessional intrusions. Process ratings indicated that the worrisome thoughts were considered more disturbing than the ego-dystonic intrusive thoughts. Worry was also distinguished by a focus on the possible consequences of negative events, whereas concern about the personal meaning of the thought was a unique process dimension for obsessive intrusive thoughts. Both content and process variables are important in differentiating worry and obsessive-like intrusive thoughts in a nonclinical population. 相似文献