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NASP Home NASP Publications School Psychology Review (SPR) Volume 20 Issue 2 (1991) Ipsative Subtest Pattern Stability of...
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Volume 20, Issue 2 (1991)

Ipsative Subtest Pattern Stability of the Bracken Basic Concept Scale and the Kaufman Assessment Battery for Children in a Preschool Sample

pp. 315—330

Abstract: Ipsative subtest pattern stability was examined for 60 preschool children on the Bracken Basic Concept Scale (BBCS) and the Kaufman Assessment Battery for Children (K-ABC) over a 4 to 6 week test-retest interval. Between 41 to 86percent subtest stability was observed across the two instruments and the test-retest interval, using the .05 level discrepancy criterion. Between 57% and 93%of the subtests remained stable when the .Ol level discrepancy criterion was used.This moderate level of profile stability warrants cautious use of the ipsative interpretation approach and argues for examiners’ use of multiple source data in the diagnosis and identification of children’s learning problems. Additionally,the K-ABC and BBCS appear to provide complementary sources of information to examiners engaged in the assessment of preschool children’s cognitive abilities.

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