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191.
Joseph C. LaVoie Kenneth Anderson Beth Fraze Kathy Johnson 《Journal of experimental child psychology》1981,31(3):446-455
The effects of age, modeling, tuition, and sanctions on self-control of motor behavior were examined. Children 6, 7, 9, and 11 years of age individually participated. A male model either: (a) instructed and performed “Simon Says” in the traditional manner, (b) introduced the sanction “Don't” on the inhibition trials, (c) performed an action that differed from the instruction, or (d) gave instructions only. Activation latency and inhibition error were influenced most greatly by the actions of the model and the introduction of a negative sanction, whereas tuition was less effective. Age differences were present for inhibition errors as well as activation latency and error. The discussion focused on the differential effects of modeling and tuition on deviant responding. 相似文献
192.
Infarct si?e (number of 1-mm2 pixels in the lesion) on CT scans of 30 aphasia patients was obtained with a semiautomated computer program. The mean number of lesion pixels present per slice containing lesion was approximately 500 for mild aphasias (transcortical motor and conduction), 700 for Wernicke's, 1000 for Broca's, 1500 for mixed, and 2000 for globals. These differences were significant for of the group pairwise comparisons. When lesion locus was controlled for in the anterior/posterior plane, 73–100% of the aphasia patients were correctly classified as to type of aphasia by a discriminant analysis utilizing only the number of lesion pixels present on two CT slices. Different slice combinations were used for different aphasia group comparisons. There was a significant correlation between severity of aphasia and lesion size. There was a significant correlation between lesion size and the CT numbers in the lesion. This type of analysis may be useful to predict the prognosis for recovery potential in aphasics who have CT scans performed at 2 months poststroke. 相似文献
193.
A patient with alexia and agraphia had intact spelling and comprehension of spelled words and used a letter-naming strategy to read and write. We propose that there is a graphemic area important for distinguishing graphemic features and for programming movements used in writing. In this patient this area was not functioning or did not have access to the area of visual word imagés. Therefore, he used an ideographic letter-naming strategy to verbally circumvent his disability and gain access to the area of visual word images. 相似文献
194.
The study was designed to investigate the nature of response-class phenomena and the possibility of indirect contingency control. A single subject was employed. Prior to the start of the study, the experimenter established the process of maintaining stimulus constancy during a preexperimental phase. Subsequent to the first baseline phase, a factor analysis was done to define the response class and the behavior categories constituting the class. Manipulating a single adult consequence to a response-class category over subsequent baseline and manipulation phases revealed frequency changes in all behavior categories in the response class. The data gave support to indirect behavior control. Search for possible explanations of frequency changes showed that the direction of the frequency changes were predictable from the results of the factor analysis. 相似文献
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Mitchel Kriss R.A Kinchla John M Darley 《Journal of experimental social psychology》1977,13(5):403-420
A mathematical model based upon signal detection theory is developed that characterizes social influences upon judgments of a stimulus. A social influence cue and the physical aspects of the stimulus were assumed to have independent effects upon performance. A visual movement discrimination task was employed in which subjects could make their judgment either before or after a cue that they had been led to believe was the response of another subject. The accuracy of this “response” was varied. The model provided a good account of the data. A model-based estimate of the magnitude of the influence effect indicated that this effect was greater when the “other” was highly accurate. The model provided an interpretation of social influences on perceptual judgments in which influence pressures have their effects only when subjects' sensory impressions are ambiguous. 相似文献
197.
To ascertain whether there are ear-hemisphere asymmetries of selective attention, signal stimuli (tonal sequences) were presented monaurally with and without complex maskers (music and speech). The right ear-left hemisphere was more disrupted by language maskers; the left ear-right hemisphere was more disrupted by music maskers. These results suggest that there are hemispheric asymmetries of selective attention and that the ear hemisphere that usually processes a class of stimuli has greater difficulty filtering out those stimuli than does the nonspecialized hemisphere. 相似文献
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Jörg Löschke 《International Journal of Philosophical Studies》2013,21(2):187-204
AbstractAuthority consists in having standing to make a claim on another person’s actions. Authority comes in degrees: persons have the authority to make moral demands on each other, but if they participate in close relationships, such as friendships or love relationships, their authority over each other is greater, compared to the authority of strangers to make demands, as participants in personal relationships can demand more from each other than can strangers. This paper discusses the phenomenon of a relationship-dependent greater authority on a conceptual level. It thereby fills a gap in the literature on the proper theory of authority: while being a common part of our moral practice, relationship-dependent authority has mostly been neglected in this context. It is even doubtful whether the most influential contemporary accounts of authority can accommodate it. As will be argued, neither Joseph Raz’s service conception nor Stephen Darwall’s second-personal conception of authority are able to. The triggering-reasons account of authority, as recently developed by David Enoch, is better suited in this regard: according to this conception, relationship-dependent authority stems from special conditional reasons that are implied by relationships and that can be triggered by the authoritative demands of their participants. 相似文献