Measures a child’s ability to perform everyday life skills, including communication, self-care, safety, and social understanding.
- Important for diagnosing intellectual disability, autism, or developmental delays.
- Based on parent and teacher questionnaires about real-life functioning.
- Conducted by a psychologist or special education evaluator.
- Common Tools: Vineland Adaptive Behavior Scales (Vineland-3), Adaptive Behavior Assessment System (ABAS-3)