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Witelson (1976) found that boys but not girls showed right-hemisphere specialization for tactile-spatial processing as early as 6 yr. of age. In the present study, Witelson's task was administered to 46 normal 4- and 5-yr.-old girls and boys. Both sexes showed right-hemisphere specialization. There were no sex differences either in specialization or in(More)
Children in grades 3 and 5 (N = 160) performed a task which was labeled either sex-appropriate or sex-inappropriate. Following the task, prearranged feedback (success or failure) was provided, and the children evaluated the importance of ability, effort, task difficulty, and luck in determining their performance. Girls attributed failure to lack of ability(More)
Three experiments using kindergarten boys and girls (Ns = 126, 84, and 72, respectively) tested the hypothesis that adding haptic to visual information facilitates discrimination of three-dimensional objects on more difficult (three-choice) problems, but not on easier (two-choice) problems. Kindergartners were given a two-or three-choice discrimination(More)
This study tested the hypothesis that left-handed individuals are more aware than right-handed individuals of others' handedness. 18 left-handed and 18 right-handed college students were shown a drawing of 8 children at a party. Seven children held objects in the left hand, while one held an object in the right hand. After 2 1/2 min. the drawing was removed(More)
Thirty-six boys and 36 girls at each of two grade levels (second and fourth) were presented with a two-choice simultaneous form discrimination. The forms were five- or 10-sided, and symmetrical or asymmetrical. Ss received either a uniform array (both stimuli symmetrical or asymmetrical) or a mixed array (one stimulus symmetrical and the other(More)
This study tested the hypothesis that laterality and handedness researchers are more likely than other researchers to be left-handed. A questionnaire assessing hand preference was sent to authors of articles which either dealt with handedness (N = 50) or other aspects of laterality (N = 100) or did not concern laterality (N = 50). The proportion of(More)
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