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Johnson, Carl Nils; Maratsos, Michael P. – Child Development, 1977
Examines preschool children's comprehension of the differing implications of the verbs "think" and "know". Results indicated that 4-year-olds, but not 3-year-olds, understood the differences between the terms. (JMB)
Descriptors: Abstract Reasoning, Age Differences, Child Language, Preschool Children
Peer reviewed Peer reviewed
Swartz, Karyl; Hall, Alfred E. – Child Development, 1972
Comparison between relational concepts and word definitions coincided with lower levels of thinking, and abstract definitions with the highest level. (Author)
Descriptors: Abstract Reasoning, Cognitive Processes, Comparative Testing, Concept Formation