The relationships between perception and conservation of length were investigated in a developmental comparison of judgments of length made by 5-year-olds, 8-year-olds and adults. (GO)

Reviewed in the paper are theories and concepts about intelligence, and proposed is a theory set forth in stimulus-response terminology. Available from: Ablex Publishing Corporation, 355 Chestnut Street, Norwood, New Jersey 07648. (CL)

Subjects in grades 4 through 12 were asked to respond to the question "Who am I?" Their responses were analyzed for self-conceptions by means of a 30-category scoring system. Results were in agreement with Werner's notion that cognitive development proceeds from a concrete to an abstract mode of representation. (Author/JMB)

It was hypothesized that Piaget's argument on behalf of the reorganization of cognitive processes would gain empirical support from a color/form, matching similar objects problem for 52 6-year-olds from a variety of socioeconomic backgrounds. (Author/MS)

A series of three experiments was conducted to verify the hypothesis that age differences in paired-associate learning proficiency across adolescence stem from the development of increasing eleaborative propensity. (Author/JMB)

In this, the third article in a series on the author's teaching methods, the teaching of fractions is described. The author examines the types of errors which children commonly make. (SD)

Cites efforts to relate macro-level research (studies examining science achievement as related to the economic development of a nation), intermediate-level research (e.g., achievement as related to institutional variables), and micro-level research (cognitive development, etc.) to determine a science of teaching science. (CP)

This article analyzes the potential conflict between student evaluations of teaching and higher-level cognitive outputs by reexamining data in existing studies and utilizing rationalistic models of human behavior. The author finds that students favor professors who emphasize lower level cognitive material. (Author/JR)

Males (N = 170) aged 24 to 91 years were measured on daydreaming and related mental activity. An earlier derived factor of "Neurotic-Anxious Absorption in Daydreaming" was found in this sample and had a negative correlation with chronological age, suggesting a decrease with increasing age. (Author)

This study used a set of Piagetian tasks to examine the sensorimotor skills of 40 profoundly retarded institutionalized children ranging in age from 8 to 14 years. (JMB)

A series of stimuli designed to assess the dependence of children's cardinal number judgments on relative length and relative density cues was administered to 4- and 6-year-old children. (SB)

A total of 180 6-, 8-, and 10-year-old children participated in tasks employing an object array in which the views from the experimental positions were objectively of equal difficulty. (SB)

First-, third-, fifth-, and sixth-grade children were administered 20 relational reasoning problems in which they had to deduce the possible sizes of one item relative to two others on the basis of a visual comparison and a written clue. Dramatic differences were observed between fifth- and sixth-grade children. Corrective feedback improved…