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What a Difference a Day Makes: Age-Related Discontinuities and the Battelle Developmental Inventory.
Peer reviewedBoyd, Richard D. – Journal of Early Intervention, 1989
Actual and theoretical cases are presented in which the Battelle Developmental Inventory was used in infant assessment. Age-related discontinuities reveal that, for children whose chronological age abuts one of the cut-off points between age categories, radically different summary scores can be obtained from one day to the next despite identical…
Descriptors: Age Differences, Child Development, Diagnostic Tests, Disabilities
