A study of eighty Canadian kindergarten children showed that discrimination of similar letters was more difficult than distinctive letter discrimination, irrespective of training format or mode of testing. (MJB)

Analysis of primary process thinking of the same children at kindergarten level and at grade four revealed that amount of primary process thinking was relatively constant with development, contrary to predictions based on psychoanalytic theory. However, drive related ideation increased and formal deviations of thought decreased in quality and type…

Lists symptoms of developmental difficulties and agencies that offer public services to exceptional children. (SB)

Argues that five stages in the development of self concept can be recognized with a different type of self esteem being appropriate to each stage. The stages are: the dynamic self, self-as-object, self-as-knower, self-as-intergrated-whole, and the "selfless" self. (MS)

The comprehension of big, little, and same number and the production of relational terminology was assessed in 168 preschool children. (Author/BD)

Describes two studies of brain hemisphere development which indicate children retarded in the functions of one hemisphere may not be retarded in the functions of the second hemisphere. Suggests that the left hemisphere functions may inhibit some right hemisphere functions. (SL)

Eleven graduate students who had registered for an elective course in art therapy worked under supervision with 11 unselected learning-impaired children (7-11 years old). (Author)

The performance of 4 groups of mentally retarded Ss, ages 14-17 with mental ages of 8-11, was compared to that of 90 non retarded Ss, grades K-5 with comparable mental ages, on the solution of 2 and 3 disc Hanoi Tower puzzles, solutions to which require logical forsight. (BB)

A hypothesized developmental sequence of agent use in pretending was tested in 36 infants between 14 and 24 months of age and was compared with the development of object permanence. (JMB)

A map-drawing task was used to test the effects of (1) presenting instruction at a cognitive level higher than that at which most of the students in the study were operating and of (2) presenting instruction to groups of students of differing cognitive levels. Subjects were 63 fifth grade students. (JMB)

Two studies: (1) assessed the infant's ability to perceive differences between two-dimensional and three-dimensional stimuli; and (2) tested the infants' ability to transfer responses across dimensions. (Author/SB)

This article is a selective and evaluative review of recent findings regarding developmental changes in adult cognition. Discussed are maturational models of adult intelligence; cognitive decrement; and alternative interpretations of the research. (SB)