It was concluded that both social and vocal elements are necessary to stimulate a general increase in the number and length of consonant utterances, but there was no evidence that stimulation encouraged infants to imitate the consonant phonemes presented. (Author)

Systematic methods are needed for studying group development over time. The method described here permits interpretive description of a group session, useful both for feedback to the group and for further study of group processes. (Author)

Younger men are both less engaged from the world and more efficient processors of information than older (especially less educated) ones. (Authors)

Implication of findings for designing an introductory mathematics curriculum are discussed. (Authors)

Results suggest that the human infant's response to visual stimulation undergoes change during the neonatal period. (Authors)

Study to determine nutrition knowledge and attitudes of 910 early elementary classroom teachers in Nebraska. Reveals little relationship exists between knowledge of nutrition and favorable attitudes toward teaching nutrition. Suggests attitudes are more important in changing food consumption practices. Indicates traditional teacher preparation…