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Peer reviewedHamann, Mary Sue; Ashcraft, Mark H. – Journal of Experimental Child Psychology, 1985
First, fourth, seventh, and tenth graders were timed when solving simple and complex addition problems, then were presented similar problems in untimed interviews. Manipulation of confusion between addition and multiplication, where multiplication answers were given to addition problems (3 + 4 = 12) indicated an interrelatedness of these…
Descriptors: Age Differences, Arithmetic, Cognitive Processes, Elementary School Students
