A sharp improvement in children's understanding of the role of visual perception and linguistic communication in knowledge functions was found between the ages of three and five years. (PCB)

This study was designed to determine whether children 3, 4, and 5 years of age could demonstrate their metaphorical competence equally well in words and in pictures. Previous studies which have investigated young children's metaphorical ability have often encouraged young children to make judgments of similarity which rely almost exclusively on…

The study followed up 30 premature Hungarian infants of low birthweight (less than 2500 grams) but no other major perinatal complications. Subjects were tested at age 6 on the Budapest-Binet IQ test, the Goodenough's "Draw a Person" test, the Bender Gestalt test, and a school entry test battery. Test performances at age 6 found that the…

Reports on a study in which children aged 7 to 9 years and 11 to 13 years were asked to judge which one out of three wooden blocks would float, given weight and volume information for each block relative to a block that was known to float. Indicates that judgments may have been based on the size-weight illusion. (HOD)

The purpose of this investigation was to evaluate the effectiveness of six instructional programs with the aim of alleviating the problems encountered by students in visualizing rotation in molecular diagrams. Models were filmed rotating around the three different axes with different speeds with and without shadows. (KR)