The Usefulness of the Battelle Developmental Inventory Screening Test

Abstract

Recent research supporting the effectiveness of early intervention and laws expanding services have increased the demand for accurate developmental screening tests. The Battelle Developmental Inventory Screening Test (BDIST), for children 6 months to 8 years old, has a number of desirable features, including subtests for fine and gross motor, adaptive, personal-social, receptive and expressive language, and cognitive skills; a range cutoff and age-equivalent scores; and national standardization. To assess its accuracy, the BDIST was administered to 104 children 7 to 83 months old, along with several other screening tests and a battery of criterion measures. Tied to 1.5 standard deviations below the mean, BDIST failing scores were moderately sensitive, detecting 75% of the children with developmental problems, such as mental retardation, borderline intelligence, language delays, and learning disabilities. Since 73% of the nonhandicapped children passed the BDIST, the test showed moderate specificity. Children within one month of their birthdays were likely to be over- or underreferred. Although the BDIST needs further research, it is a promising developmental screening instrument. The Receptive Language (RL) subtest, slightly more sensitive than the total BDIST but less specific, takes only a few minutes and thus is useful for prescreening in time-limited settings, such as pediatric practice.

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