What are the primary domains of Bayley-III and how are the Social-Emotional and Adaptive Behavior scales administered?

• A. Primary domains are Language, Social-Emotional, and Adaptive Behavior; Social-Emotional and Adaptive Behavior are clinician-observed.
• B. Primary domains are Cognitive, Language, and Motor; Social-Emotional and Adaptive Behavior are caregiver-reported scales that supplement infancy/toddler assessment.
• C. Primary domains are Cognitive, Social-Emotional, and Adaptive Behavior; Social-Emotional and Adaptive Behavior are teacher-reported.
• D. Primary domains are Cognitive, Language, and Motor; Social-Emotional is caregiver-reported while Adaptive Behavior is teacher-reported.

Answer: (B)