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941.
Algorithms for processing spatial information 总被引:1,自引:0,他引:1
Pairs of stimuli taken from a psychometric measure of spatial aptitude were shown to 9-year-olds, 13-year-olds, and adults. The stimuli in pairs were (a) either identical or mirror images, and (b) presented in orientations that differed by 0-150 degrees. Individuals judged, as rapidly as possible, if the stimuli in a pair would be identical or mirror images if presented at the same orientation. In Experiment 1, in which the stimuli were letter-like characters, at all ages most persons solved the problems using an algorithm in which an individual encodes the stimuli in working memory, mentally rotates one stimulus to the orientation of the other, compares them to determine if they are identical, and responds. In Experiment 2, the stimuli were multielement flags; here, the modal algorithm for both 9- and 13-year-olds differed from the previously described algorithm in that if the comparison process revealed that the stimuli were dissimilar, individuals did not respond immediately, but continued processing until a self-imposed deadline was reached. Among adults, the modal algorithm was the same one used in Experiment 1. Results are discussed in terms of the roles of encoding in contributing to the use of a particular algorithm. 相似文献
942.
943.
S Supramaniam 《Journal of experimental child psychology》1983,36(1):68-80
Seven-year-old children classified as good and poor readers carried out a proofreading task on two passages varying in level of difficulty. Misspellings were introduced by transposing two adjacent letters in the work "the," other three-letter words, and longer words. While both groups of readers were able to identify the correct spelling of the misspelled words on a spelling test, poor readers made significantly more proofreading errors. Word length had a significant effect on performance, indicating that sensitivity to word configuration is important for successful proofreading. The pattern of proofreading errors did not reflect underlying differences which might relate to strategies used by the two groups in normal reading. The results are compared with those from other proofreading and letter detection experiments in order to highlight methodological implications when such tasks are used to verify hypotheses concerned with normal reading strategies. 相似文献
944.
945.
Asymmetry of perception in free viewing of chimeric faces 总被引:3,自引:0,他引:3
We have devised a new free-vision task to index functional cerebral asymmetry for processing facial characteristics. Confirming its sensitivity to properties of lateralized hemispheric functions, left- and right-handers were clearly differentiated on this task with respect to several aspects of performance that conform with known differences between handedness groups in hemispheric asymmetry. Additionally, there were highly reliable and stable individual differences in perceptual asymmetries within handedness. Analyses of items in the task revealed that most of the differences between items in the asymmetries they elicited were random. 相似文献
946.
Hemisphere functioning and motor imitation in autistic persons 总被引:2,自引:0,他引:2
Previous research has found that a high proportion of autistic individuals exhibit an atypical pattern of hemispheric specialization suggestive of impaired left hemisphere functioning: namely, right hemisphere dominance for both verbal and visual-spatial processing. Studies of brain-damaged persons have suggested that the left hemisphere is specialized for the use of nonverbal gesture. Since a major characteristic of autism is an impairment in the use of gesture, it was predicted that autistic persons would also show atypical hemispheric specialization for motor imitation. To test this hypothesis, hemispheric activation was measured using EEG recordings of alpha rhythm in autistic and matched normal control subjects during four motor imitation tasks. Autistic subjects showed significantly greater right hemisphere activation during the imitation tasks, than normal subjects. This pattern was particularly evident in younger autistic subjects and during oral, rather than manual, imitation tasks. 相似文献
947.
Offenses committed by those held in institutions can have repercussions at several levels: the individual must suffer the consequences of his or her actions; there may be a victim; and valuable staff time is spent adjudicating the outcome. A number of studies have suggested that an adjunct to behavioural training in institutions is a reduction in institutional misbehaviour—a suggestion which the present study sought to capitalize upon in a direct manner. In a borstal for young male law-breakers, referrals of individuals who received above average numbers of discipline reports in the institution were gathered. These people were then offered a place on a training course designed to attempt to modify behaviour towards authority figures, prison officers in particular. The course was carried out in two forms: a ‘Short’ Course of 4 days duration, and a ‘Long” Course spread over 8 weeks. Assessment of the effects of training was made by monitoring levels of discipline reports, and also by the administration of self-report and personality scales. Compared with No-training and Non-referred Controls, no significant changes in the frequency of receiving discipline reports was found following either mode of training. However, a number of changes on the self-report and personality measures suggested some degree of change after training. Implications for the construction of future courses with similar objectives are discussed. 相似文献
948.
Keith G. Scott 《Journal of applied developmental psychology》1983,4(4):319-327
Applied developmental psychology is emerging as a new subspecialty in psychology. The perspective provided in this paper is grounded in the premise that it is primarily a research discipline of scholars and researchers who will carry out their activities in a university setting. The students of the described program have found academic or research institute positions. Most of these have been in an academic department of psychology. Some have been in medical schools or research institutes with university affiliations. I believe there is a further market, for example in hospital or school settings, where a research and evaluation program or center is maintained. However, applied developmentalists, as such, should not be expected to be in the business of primary care delivery.This paper is based on the experience of establishing an applied developmental program that is described briefly below. In addition, the content is influenced by a consulting role in establishing a program at another university and from the small conference on Training in Applied Developmental Psychology held at the Mailman Center in 1980. 相似文献
949.
David Goldstein 《Journal of applied developmental psychology》1983,4(4):341-348
Some problems and prospects for the emerging discipline of applied developmental psychology are analyzed. A working definition of applied developmental psychology is offered, along with a categorization scheme which places developmental psychologists along the basic-applied continuum. Some of the tasks that applied developmentalists can perform are listed, followed by a discussion of the boundaries of applied developmental, particularly the boundary with clinical psychology. Next, the training of applied developmental psychologists at the predoctoral and postdoctoral levels is explored. Finally, some of the professional issues that might confront applied developmentalists as the field evolves are described. 相似文献
950.
Arthur J. Baroody 《Developmental Review》1983,3(2):225-230
In a review of the Chronometrie literature, M. H. Ashcraft (Developmental Review, 1982, 2, 213–236) concluded that the development of number fact efficiency is due to a shift from relying on procedural knowledge such as counting to relying on declarative knowledge (a stored network of facts). This model assumes that all procedural processes are slow or remain slow, which is probably not the case. An alternative account posits that the key change in number fact efficiency involves a shift from slow counting procedures to principled procedural knowledge. As rules, heuristics, and principles become more familiar and interconnected, their use, for example, in producing the number facts becomes more automatic. The use of such procedural knowledge would be cognitively more economical than storing individual facts in long-term memory. Finally, existing Chronometric data can readily be interpreted in terms of this alternative model. 相似文献