Welcome to the training for the Bayley Scales of Infant and Toddler Development, Fourth Edition (Bayley-4). Please ensure you have the following resources on-hand before starting the training:

1. Bayley-4 Administration Manual 
2. Bayley-4 Stimulus Book 
3. Bayley-4 CRF (available in the “Materials” tab on the following page It is recommended to print the Bayley-4 CRF to have on hand during the training and the knowledge assessment)

This course involves review of a didactic training module and a knowledge assessment.  Select the first lesson below when you are ready to begin.