The BDI-3 Developmental Complete can be re-administered to the same examinee 3-6 months after the initial administration. The BDI-3 is a measure of milestone progression and development, so retesting is important so examiners and stakeholders can determine if growth in specific areas is occurring following a typical developmental curve.
The BEAS can be re-administered to the same examinee after 4 months, allowing it to serve as a progress monitoring tool for the domains of reading and mathematics skills.