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This paper reports several studies of chess expertise in children who play competitive chess. The first study examines (1) the relationship between experience and skill among 113 school-age children (grades 1 through 12); and (2) the relationship between chess skill and scores on various spatial and logical abilities tests among the top 15 players. Improvement in skill is related to experience, and chess players score higher than average on the Raven's Progressive Matrices. Also, scores on a chess-specific test, the Knight's Tour, correlate with scores on the Raven's. The second study reports three experiments with 59 Ss involving chess-specific tasks in memory, perception, and similarity judgements. The first two experiments replicated and extended Chase and Simon (1973). The third experiment, which asked Ss to judge similarities of chess positions, demonstrated that similarity judgements become more global and abstract with increased skill. The final section describes qualitatively how children's chess expertise compares to that of adults. Drawing upon Anderson (1985), we focus on some distinctive features of children's chess play and on some successful techniques in coaching young players. 相似文献
73.
Metatraits 总被引:1,自引:0,他引:1
ABSTRACT A metatrait is the trait of having versus not having a trait It refers to whether a given trait dimension or construct can be used to describe a particular personality Using attitudes as an analog to traits, we argue that the study of personality may benefit from considering metatraits Implications for the nature of traits and for the formation and disappearance of traits within a personality are discussed We review strategies for measuring metatraits and conclude that at present it seems best to use interitem variance in responses to specific, familiar trait scales Metatraits will most commonly moderate trait effects, especially such that hypotheses about traits are appropriately tested only with trailed individuals Untraited individuals may be susceptible to fluctuating states and situational manipulations Sometimes metatraits may predict behavior directly, independently of trait level Two studies are reported to illustrate metatrait moderation of trait effects and direct prediction of behavior by metatrait 相似文献
74.
Lois L. Elliott Cheryl Longinotti Luann Clifton Dianne Meyer 《Attention, perception & psychophysics》1981,30(5):411-416
Detection and identification thresholds were obtained for 6- and 10-year-old normal children and normal adults using five-formant synthesized consonant-vowel ([baHdflrfea]) stimuli. Sixyear-old children were found to have poorer detection than adults, just as they do for pure tones. For the identification task, the slopes of the performance-intensity functions were more shallow for 6-year-old children than for 10-year-olds and adults. Consequently, compared with 10-yearolds and adults, 6-year-old listeners require a greater increase in stimulus intensity above detection threshold to identify these stimuli at a high performance level. The influence of acoustic characteristics of the stimuli on all listeners is also discussed. 相似文献
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Three experiments investigated irrelevant sound interference of lip-read lists. In Experiment 1, an acoustically changing sequence of nine irrelevant utterances was more disruptive to spoken immediate identification of lists of nine lip-read digits than nine repetitions of the same utterances (the changing-state effect; Jones, Madden, & Miles, 1992). Experiment 2 replicated this finding when lip-read items were sampled with replacement from the nine digits to form the lip-read lists. In Experiment 3, when the irrelevant sound was confined to the retention interval of a delayed recall task, a changing-state pattern of disruption also occurred. Results confirm a changing-state effect in memory for lip-read items but also point to the possibility that, for lip-reading, changing-state effects may occur at an earlier, perceptual stage. 相似文献
79.
Fourteen participants felt a 'cold' stimulus move across a fingertip. When movement was self-controlled, the stimulus was reported as feeling less 'cold' than when movement was externally generated. 相似文献
80.
Age and responding-hand related changes in performance of neurologically normal subjects on the line-bisection and chimeric-faces tasks 总被引:3,自引:0,他引:3
This study investigated age and responding-hand (left, right, and bimanual) related changes in visuospatial attention. Two tasks were completed by 107 neurologically normal right-handed subjects ranging in age from 5 to 70 years and distributed across four age groups. Task-specific differences between groups were apparent. In the line-bisection task, the younger and older groups displayed symmetrical neglect while the young and middle groups displayed pseudoneglect. In the chimeric-faces task the leftward bias was less pronounced in the older group and more susceptible to responding-hand effects in the middle and older groups. Whilst results, especially those of the bimanual method, provided strong support for an activation model, they imposed an age limitation on its appropriateness as an explanation for performance on the chimeric-faces task. Results are discussed as reflecting changes in the corpus callosum and right hemisphere. 相似文献