interpreting battelle developmental inventory scores

Battelle Developmental Inventory for Young.. The Battelle Developmental Inventory is one type of assessment commonly used to determine if infants and children are meeting developmental milestones.   The milestones assessed include things such as when a baby first smiled, laughed, and learned how to sit alone. Developmental milestones are broken down into four general categories:

Battelle Developmental Inventory for Young.
Battelle Developmental Inventory for Young. from ae86swap.com

RDI The Relative Developmental Index (RDI) is expressed as a fraction, with the bottom number as 90, or 90% proficiency for the examinee’s age group. The numerator is a number ranging.

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