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Siegler, Robert S.; And Others – Developmental Psychology, 1973
Ten- and 11-year-old boys and girls were taught to solve Inhelder and Piaget's pendulum problem and the results of the experiment replicated their expectation that unaided 10- and 11-year-olds do not often solve the pendulum problem. (Editor/RK)
Descriptors: Cognitive Development, Data Collection, Elementary School Students, Experiments
Karnes, Merle B.; And Others – 1972
Data on two preschool intervention programs for children from low-income families are discussed. The first program, the Karnes Preschool Program for the amelioration of learning deficits, is characterized by a structured format based on psychological theories. Its curriculum is designed to develop the basic language processes and to teach content…
Descriptors: Affective Behavior, Age, Cognitive Development, Comparative Analysis