BATTELLE DEVELOPMENTAL INVENTORY 2ND EDITION PDF

The BDI-2 consists of observing the child, having the evaluator interact with the child using different manipulatives, i. In the event that an area cannot be tested during the session, information from the parent interview can be used as a supplement. This number scores at an average of , and helps the evaluators to determine performance-based eligibility. The BDI-2 is a psychoeducational instrument used heavily in special education testing and can be used to assess children from birth until they turn One theory that is relevant to the BDI-2 is the classical test theory that looks to understand and improve reliability of test.

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A scoring manual and software are provided by the assessment developers. Interpretive information Percentile ranks and confidence intervals are provided for the subdomain scores and developmental quotients.

Age-equivalent tables are also available. Evidence of Technical Quality Populations for which technical quality evidence has been collected Data was collected from 2, children ages birth to 7 years, 11 months from four U. Reliability evidence Internal consistency reliability estimates coefficient alpha for subdomains ranged from 0.

Total score reliability coefficient alpha was 0. Validity evidence No information available in the references. Evidence based on response processes New items were piloted in a separate study, and items were revised deleted or replaced based on this pilot.

Ease of administration and child responsiveness were examined, and these factors were used to select items for the final version. Evidence based on internal structure No information available in the references reviewed. Evidence based on relations with other variables BDI-2 subdomain scores correlated positively with scores on the Bayley Scales of Infant Development, Second Edition on similar constructs between 0.

Accuracy rates ranged from 0. Locating the Measure.

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