How should a clinician interpret a 7-point change in Bayley-III Composite scores over six months?

• A. A 7-point change always indicates a clinically meaningful decline.
• B. A 7-point change should be ignored as measurement noise.
• C. Small fluctuations can occur; interpret with the standard error of measurement; a consistent decline across domains or a clinically meaningful change warrants re-evaluation.
• D. A 7-point change confirms diagnostic category change.

Answer: (C)