Studies show a crucial role for good pre-natal nutrition to prevent any lasting brain damage. (DM)

The effects of delay of information feedback interval (0 or 7 seconds), postinformation feedback interval (1, 8, or 15 seconds), difficulty (one or three variable irrelevant dimensions), and presence or absence of a tractor in the postinformation feedback interval were investigated with 240 junior high school children in a modified…

The data reported in this small study confirm previous research indicating that early stimulation, though initially affecting human behavior, has little permanent effect upon later functioning. (Author/WY)

An attempt to formulate some of the practical advice which can be derived from work on the psychology of learning." Appended are 55 references. (Author/AA)

Investigates the development of the ability for double seriation in children age 5-8 years and finds that there is a developmental lag between the emergence of the ability for cross-classification and that for double seriation. (WY)

Paper presented at 18th Annual Meeting of the National Association for Gifted Children, Chicago, Illinois, May 3-5, 1971. (CB)

Short-term changes in visual behavior observed in 80 infants (3-9 months) parallel changes observed across age by Piaget and fit well his assumption that the infant's increasingly sophisticated action patterns evolve by successive accomodations to encountered phenomenon. (WY)

This article is based on a doctoral dissertation submitted to the Department of Psychology, University of Michigan. (MH)

Paper presented at the Merrill-Palmer Conference on Research and Teaching of Infant Development, February 13-15, 1970. (JE)