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  • Title: Sources of difficulty in the solution of verbal arithmetic problems by mentally retarded and nonretarded individuals.
    Author: Bilsky LH, Judd T.
    Journal: Am J Ment Defic; 1986 Jan; 90(4):395-402. PubMed ID: 3946476.
    Abstract:
    Effects of several logical (i.e., operation type and amount of extraneous information), memory (i.e., availability of memory aids and number of problem presentations), and semantic variables (i.e., problem text type) on verbal math problem-solving performance were assessed. Results revealed that the overall problem-solving performance of mildly mentally retarded adolescents was inferior to that of nonretarded fourth graders in spite of comparable performance on a computational screening test. Although the retarded individuals experienced particular difficulty with subtraction and static problem texts, the two groups responded similarly to the other experimental variables. The possibly important role of comprehension in problem-solving was discussed.
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