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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