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Odom, Richard; Buzman, Richard D. – Developmental Psychology, 1972
It was shown that hierarchies change with development and that relative salience of a dimension is negatively associated with both reaction time of choice and number of errors on the identity task. (Authors)
Descriptors: Cognitive Processes, Data Analysis, Elementary School Students, Perceptual Development

Lamborn, Susie D. – Developmental Psychology, 1994
A 10-step scale for assessing development of understanding relationships between honesty and kindness was developed and administered to 113 youths. Results indicated that development moved through 3 stages, as youths age 9-12 demonstrated abstract concepts of honesty and kindness; age 13-15 demonstrated simple abstract relations; and age 16-20…
Descriptors: Abstract Reasoning, Age Differences, Altruism, Children

Halford, Graeme S.; And Others – Developmental Psychology, 1986
Reports on a study in which children aged 7 to 9 years and 11 to 13 years were asked to judge which one out of three wooden blocks would float, given weight and volume information for each block relative to a block that was known to float. Indicates that judgments may have been based on the size-weight illusion. (HOD)
Descriptors: Cognitive Development, Concept Formation, Elementary School Students, Elementary Secondary Education