Eight autistic children and young adolescents (mean age 12.9 years) were compared to normal chronological age controls. Ss were required to discriminate briefly presented visual stimuli when they were preceded or followed by a visual noise mask and when they were not. The minimum stimulus exposure duration for criterion identification of unmasked…

The purpose of this study was to identify the nature of the information which preschool-age children must attend to and maintain within problems in order to solve a series of two-choice simultaneous discrimination problems. Twenty-four preschool children participated in the experiment. The stimuli used in these problems consisted of planometric…

This study established a controlled instructional procedure for visual concept learning in a school setting and investigated the possibility that an ability trait difference could affect visual learning of the concept. A total of 84 high visualizers and 84 low visualizers were selected from 629 fourth grade children according to their scores on…

This study examines the effects of readiness level and learning modality emphasis on the form discrimination performance of kindergarten children on training and transfer tasks. Forty-eight male and 48 female kindergarten children between the ages of 5.5 and 6.5 years participated in the study. The children were randomly selected from a group of…