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Segel, David – Office of Education, Federal Security Agency, 1948
This bulletin on intellectual growth and development during the adolescent period is a cumulation of (1) a study of the results on certain aptitude tests used in the War Department adapted for secondary schools (2) an analysis of the research studies on the subject of intellectual abilities at the secondary school level. It is published with the…
Descriptors: Aptitude Tests, Secondary Education, Cognitive Ability, Adolescent Development

McKinney, C. Warren; Edgington, William D. – Social Studies, 1997
Defines a generalization as "a descriptive statement of broad application indicating a relationship between two or more concepts." Argues that successful teaching about generalizations can only occur when students understand the relationship between concepts and facts. Discusses four issues and four approaches related to teaching…
Descriptors: Abstract Reasoning, Cognitive Development, Cognitive Processes, Cognitive Structures