Bayley Scales of Infant and Toddler Development (Bayley-4)

Nancy Bayley, PhD ,
Glen P. Aylward, PhD, ABPP

• Bayley-4 is the most comprehensive assessment tool for determining developmental delays in children.  
• Age range: 16 days to 42 months 
• Publication date: September 2019  Qualification level: B

Professionals have relied on the Bayley Scales of Infant and Toddler Development™ for more than 50 years to identify potential delays in children and get interventions in place early on.

Benefits

• Use caregiver responses to support the scoring of certain items.
• Determine the need for further in-depth assessment.
• Administer one or more domain subtests individually.
• Save significant time through shortened adaptive behavior content from Vineland 3.

Features

The new version of the Bayley Scales of Infant and Toddler Development features:

• Digital delivery option via Q-global combines the record form and administration manual, which allows greater flexibility, ease of use and improved accuracy.
   
• Content updates made based on research and user feedback.
   
• Updated normative data and clinical studies.
   
• Includes complimentary Introductory Online Training

Bayley-4 Complete Kit
Administration Manual, Technical Manual, 25 Cognitive, Language, and Motor Record Forms, 25 Motor-Response Booklets, 25 Social-Emotional and Adaptive-Behavior Questionnaires, 25 Caregiver Reports, Stimulus Book, Observational Checklist, Manipulative Set, Rolling Case, Introductory Online Training.