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251.
Ninety-six children copied simple line drawings of perspective views of cubes and similar designs unlikely to be seen as representing objects. The views of cubes were copied much less accurately than the non-object patterns, and the errors made in copying the cubes involved replacement of properties specific to the single perspective view by properties more appropriate to the object itself. Some copies were drawn with the child continually looking at the model and unable to see his own copy, others were drawn in the normal way. Copies made in the former way were more accurate, but even under these conditions cubes were copied less accurately than the non-object patterns. The disadvantage of object pictures, as far as literal copying accuracy is concerned, was still present at 9 1/2 years of age, but was less than at 7 1/2. Two possible explanations are discussed. One is in terms of computational complexity, the other in terms of graphic motor schema. On the basis of the drawings obtained a few suggestions are made about the content and development of the data-structures for cubes. 相似文献
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255.
Hanna K. Ulatowska Renee Freedman-Stern Alice Weiss Doyel Sara Macaluso-Haynes Alvin J. North 《Brain and language》1983,19(2):317-334
The study described the abilities of a group of 15 moderately impaired aphasics and 15 normals to produce narrative discourse. The experimental tasks included telling stories, summarizing stories, and giving morals to stories. The data were analyzed in terms of sentential grammar, discourse grammar, and subjective ratings of content and clarity of language. The results showed that aphasics produced well-structured discourse. The language of the aphasics' discourse was reduced in both complexity and amount, as compared to that produced by normals. The reduction of language reflected selective reduction of hierarchically organized information. The findings of the study confirm the results of previous research on mildly impaired aphasics, which also showed preservation of discourse structure with selective reduction of information. 相似文献
256.
An electrophysiological method is described for measuring the direction and strength of a subject's ear dominance for pitch using the P3 component of event-related potentials. Results of these experiments reveal that the P3 can be used effectively for these measures in man. 相似文献
257.
Hilary Buxton 《Brain and language》1983,18(2):249-258
Recall of monaurally presented semantically anomalous sentences, which had either neutral or rhythmic timing, was tested at the right ear, at the left ear, and on transfer from one ear to the other. The component words, being computer stored digitized waveforms, had identical acoustic structure in the two conditions. In the rhythmic condition there was not only an overall advantage in the second half of the experiment but also an asymmetric transfer effect such that this advantage did not appear when the left ear was tested after the right. It is proposed that functional lateralization be viewed as an adaptive, dynamic, organizational factor. 相似文献
258.
Using a multidimensional scaling procedure, the present study examined the fit of Holland's RIASEC hexagon model to the internal relationships among the Strong-Campbell Interest Inventory (SCII) General Occupational Theme scales. SCII intercorrelation matrices for both sexes as reported in the SCII Manual were submitted, separately for each sex, to TORSCA 9 nonmetric scaling analysis. The Wakefield and Doughtie procedure was used to compare obtained TORSCA coordinates with expectations from Holland's hexagonal model. As a comparison, identical analyses were performed on Vocational Preference Inventory (VPI) scale intercorrelation matrices, these data having originally served as the basis for advancing the utility of the hexagon model. For females, the SCII-hexagon fit was not good, with a near reversal of the Social and Enterprising scales. For males, the SCII-hexagon fit was good. For either SCII or VPI scales, the female data met expectations from Holland's model less often than the male data. A replication study on SCII data for 305 female clients of a vocational assessment clinic confirmed the previously observed sex differences. Sex differences in the structure of vocational preferences are discussed. 相似文献
259.
Three experiments were conducted to examine the use of historical knowledge to test contemporary hypotheses about the personal attributes of other people. In the first and second experiments, participants read an extensive account of events in one week of the life of a woman named Jane. Two days later, they used this previously learned information to test hypotheses about Jane's suitability for one of two jobs: either the rather extraverted job of real estate salesperson, or the rather introverted job of research librarian. In their hypothesis-testing activities, participants first reported all those previously learned facts that they regarded as relevant to assessing Jane's suitability for the job under consideration, and then reported their judgments of her job suitability. Participants reported greater amounts of hypothesis-confirming than hypothesis-disconfirming factual material. Moreover, having tested hypotheses about Jane's suitability for one job, participants judged her to be better suited for that job than for the other job. In the third experiment, participants framed hypotheses for assessing job suitability and defined the task of testing these hypotheses. Participants framed hypotheses in terms of those attributes whose presence would confirm the hypotheses and defined the hypothesis-testing task as one of preferentially collecting hypothesis-confirming evidence. The nature and consequences of confirmatory hypothesis-testing strategies are discussed. 相似文献
260.
Joseph L. Wolff 《Intelligence》1979,3(2):139-148
Comparisons of the mean IQs of Northern and Southern blacks have consistently shown a 7–12 point difference favoring the former group. Explanations of this difference have been highly polarized. Hereditarians have generally favored an hypothesis of selective migration; environmentalists have tended to ascribe the difference to such environmental causes as education, discrimination and cultural deprivation. Two studies (Klineberg, 1935; Lee, 1951) have been interpreted by many commentators as decisively vindicating the environmentalist position. In this paper this interpretation is questioned and certain neglected features of Lee's (1951) data are construed as providing strong evidence for selective migration. 相似文献