Now enhanced and updated based on extensive user feedback and a new, unparalleled research sample of more than 12,000 children, ASQ-3 is the most accurate, cost-effective, and parent-friendly way to identify children from one month to 5 1/2 years with developmental delays. ASQ-3 offers more than any other screening system: (1) Recommended by the experts; (2) Accurate; (3) Sensitive to delays associated with autism; (4) Captures parents' in-depth knowledge; (5) An invaluable parent education tool; (6) Strengths based; (7) Flexible screening anywhere; (8) Efficient; and (9) Cost effective. ["Ages & Stages Questionnaires[R], Third Edition (ASQ-3[TM]): A Parent-Completed Child-Monitoring System" was written with Elizabeth Twombly, Robert Nickel, Jantina Clifford, Kimberly Murphy, Robert Hoselton, LaWanda Potter, Linda Mounts, and Jane Farrell.]