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Wimmer, Heinz – Child Development, 1988
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)
Descriptors: Age Differences, Child Development, Epistemology, Foreign Countries

Quinn, Paul C.; Eimas, Peter D. – Merrill-Palmer Quarterly, 1986
Reviews the research literature on the abilities of infants to categorize visual information on dot patterns; schematic faces; hue; and orientation. (HOD)
Descriptors: Classification, Cognitive Development, Cognitive Processes, Cognitive Psychology

Weinraub, Marsha; And Others – Child Development, 1984
The onset and development of preschoolers' awareness of sex role stereotypes, gender labeling, gender identity, and sex-typed toy preference were explored in 26-, 31-, and 36-month-old children. Family characteristics that affect early sex role development also were investigated. (Author/RH)
Descriptors: Labeling (of Persons), Nonverbal Communication, Perception, Predictor Variables