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231.
We studied visual detection in 150 infants, 1- to 7-days old, by presenting single lines varying in width and location. We found that newborns detected a line only 8′ wide in the central visual field. Peripherally, they appeared to detect lines of 33′, 33′, and 1°6′ at 10°, 20°, and 30°, respectively. Thus, both the central retina and the peripheral retina appear to function at birth. 相似文献
232.
John L. Locke 《Cognition》1978,6(3):175-187
Twenty-four deaf and hearing children silently read a printed passage while crossing out all detected cases of a pre-specified target letter. Target letters appeared in phonemically modal form, a category loosely analogous to “pronounced” letters (e.g., the g in badge), and in phonemically nonmodal form, a class which included “silent” letters and those pronounced in somewhat atypical fashion (e.g., the g in rough). Hearing children detected significantly more modal than nonmodal forms, an expected pronunciation effect for individuals in whom speech and reading ordinarily are in close functional relationship. The deaf detected exactly as many modal as nonmodal letter forms, provoking the interpretation that deaf children, as a group, do not effectively mediate print with speech. The deaf also were relatively unaffected by grammatical class, while hearing subjects were considerably more likely to detect a target letter if it occured in a content word than a functor term. Questions pertaining to reading instruction in the deaf are discussed. 相似文献
233.
The effects of two situational (tormentor legitimacy and tormentor justification) and two personality (victim's belief in the just world and victim's Machiavellianism) factors on several reactions of a victim to his tormentor were explored. Greater conformity by victims to their tormentor's opinions occurred when the victims believed strongly in the just world and when the tormentor was well justified for his behavior; there was a greater conformity towards the tormentor in these conditions than towards a neutral nontormentor. The tormentor received less positive evaluations from the victim when he acquired his role illegitimately or when the victim was Machiavellian; when the tormentor acquired the role legitimately, he was liked no less than the nontormentor. The experimental variables did not affect behavioral imitation of the tormentor or the interpersonal distance maintained by the victim. The results failed to conform to any simple identification process. Several explanations for these results are explored and directions for additional research are discussed. 相似文献
234.
Two experiments were designed to test the possibility that correlations between IQ and probed serial running memory depend on IQ-related individual differences in the retention of order information in short-term memory. In Experiment I, correlations were obtained regardless of whether instructions emphasized serial recall or free recall. In Experiment II, a significant correlation between IQ and performance was obtained in a recognition test for very recent item information, but not in a recognition test for very recent order information. These data together with a theoretical analysis of the operations involved in the tasks, led to the conclusion that the correlations reflected individual differences in the capacity to access specified sets of items in very short-term memory. 相似文献
235.
236.
The differential effects of massed and spaced sessions of exposure in vivo were investigated with 11 agoraphobics in a crossover design. Clients were randomly assigned to one of the following two groups: (a) 10 daily sessions followed by 10 weekly sessions, or (b) 10 once-weekly sessions followed by 10 daily sessions. The results indicated that both massed and spaced sessions of exposure in vivo effected changes in avoidance behavior and subjective anxiety of agoraphobics, massed practice being superior especially with respect to avoidance. It was suggested that the superiority of massed practice is due to the lack of opportunity to engage in avoidance or escape during short inter-session intervals. The relationship between subjective anxiety and avoidance were considered and the differences between clinical and statistical significance were discussed. 相似文献
237.
Johnny L. Matson Alan E. Kazdin Karen Esveldt-Dawson 《Behaviour research and therapy》1980,18(5):419-427
Two moderately retarded boys, ages 11 and 12 yr, who resided in an inpatient unit for emotionally disturbed children, were treated for deficits in social skills. The deficits included physical gestures, facial mannerisms, eye contact, words spoken, and intonation and content of speech. The treatment package consisted of instructions, performance feedback, social reinforcement, modeling, and role-playing. The effects of the treatment in developing appropriate social performance were evaluated in separate multiple-baseline designs across behaviors for each child. The training improved social skills and brought children up to or beyond the level of normal control subjects who were the same age and gender. 相似文献
238.
The conventional multidimensional distance model of similarity judgment was compared with a new model in which component differences are weighted and then averaged. To evaluate the models, qualitative and quantitative predictions were derived from Romney and D'Andrade's (1964) componential analysis of American kinship terms, and these predictions were tested by having subjects rate the similarity (in experiment 1) and the difference (in experiment 2) between all possible pairs of 12 kinship terms. In both experiments, violations of qualitative predictions for both a simple distance model and a simple averaging model revealed that the componential analysis was not sufficient to account for the data. However the averaging model was able to account for the data when the dichotomous dimension of lineality used by Romney and D'Andrade was replaced by a continuous dimension of immediacy or closeness of kin. In contrast, no comparable elaboration under the distance model was successful. These results were discussed in terms of the likely psychological processes underlying similarity judgment. 相似文献
239.
Yves Guiard 《Acta psychologica》1980,46(1):41-61
The present paper is intended to discuss critically the integration model of the functional interhemispheric relation that has become dominant in neuropsychology with the development, in the last two decades, of split-brain studies.While the split-brain research has undoubtedly produced new experimental methodologies, the current theorizing in this area has been contrastingly conservative. The present paper examines some of its basic assumptions, in particular that the corpus callosum is an association pathway devoted to interhemispheric transmission of information, and that the disconnected cerebral hemispheres function in a parallel way. It is shown that these assumptions have only low consistency both with split-brain behavior and with the normal organization of the fore-brain connectivity.In the early seventies, theoretical novelty has emerged from another research field with Kinsbourne's interpretation of laterality effects in normal man. His concept of asymmetrical hemispheric arousal is shown to be supported, with some reservations, by evidence in this field. But this dynamical concept has a more general value and there are signs that current ideas about the functional relation between the cerebral hemispheres are presently deeply transformed. 相似文献
240.
David L Ronis 《Journal of experimental social psychology》1980,16(4):376-387
If exposure to two arguments supporting opposing conclusions establishes two memory traces that influence attitudes, repetition of one of the arguments should produce a delayed action effect. In a computer-controlled experiment, subjects read a large number of arguments about fictitious brands of consumer products from a T.V. screen. They rated each brand immediately after reading about it and again after spending 10 min reading messages about other brands. In the critical conditions of the experiment, two arguments were presented about each brand. One described a good quality of the product (e.g., excellent durability); the other described a bad quality (e.g., below-average efficiency). Subjects read one of the opposing arguments concerning each brand repeatedly and studied the repeated arguments for memory tests. As predicted, repetition and studying affected ratings on the delayed post-test, but not on the immediate post-test. Specifically, attitudes shifted over the delay toward agreement with the repeated arguments, supporting the idea that the persistence of attitudes depends on more than one memory trace. 相似文献