The Battelle Developmental Inventory, Second Edition (BDI-2) is an early childhood instrument based on the concepts of developmental milestones. As a child develops, he or she typically attains critical skills and behaviours sequentially from simple to complex. BDI-2 helps measure a child's progress along this developmental continuum by both global domains and discrete skill sets.

BDI-2 may be used by a team of professionals or by an individual service provider. Accommodations and modifications are available for professionals when assessing infants and children with special needs or disabilities.

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1. Fill Out Order Form (PDF)
2. Fill Out TUQF Form (PDF)*
3. Email [email protected]

*All assessment orders require an approved Test User Qualification Form (TUQF) to be completed. Please fill in the form and submit with your order.

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