Which statement best describes the Strengths and Difficulties Questionnaire (SDQ)?

• A. A language screening tool with subscales for receptive and expressive language.
• B. A 25-item behavioral screening tool with subscales for Emotional Symptoms, Conduct Problems, Hyperactivity/Inattention, Peer Problems, and Prosocial Behavior; used across ages 2-17 in primary care and research.
• C. A quality-of-life measure with physical and social functioning domains only.
• D. An intelligence assessment for preschoolers.

Answer: (B)