Discusses the use of visual media as symbol systems that gather, package, and convey knowledge. Media's different and often unique symbol systems are looked at as potentially serving as cultivators of mental abilities. Forty-nine references are provided. (Author/CHC)

Two contrasting views of the form and structure of knowledge are discussed -- an audiovisual model vs a computer tape library. The importance of two distinct psychological systems to represent language and knowledge of the world is stressed. (AM)

The APPROACH (A Procedure for Patterning Responses of Adults and Children) technique was used to code observations of behavior and setting in this ecological study of adult-child cognitive communication patterns. The subjects observed were 32 children who proportionately represented each of four age groups (1 year, 2 years, 3 years, and 4 years)…