The essential companion to the #1 developmental screener, the updated ASQ-3 User's Guide gives professionals all the information and guidance they need to use ASQ-3 . Professionals will get: - thorough step-by-step instructions on planning a monitoring program, using and scoring the questionnaires, making referrals, and evaluating the monitoring program - a complete technical report with psychometric data, including validity, sensitivity, specificity, and over referral and under referral rates - guidance on using ASQ-3 in a wide variety of settings - intervention activities families can use to help children make progress in key areas With this clear, comprehensive guide to ASQ-3 , professionals will be sure they're making the most of this highly reliable, accurate, and parent-friendly screener so they can catch delays early and help improve child outcomes. The ASQ-3 User's Guide is part of ASQ-3 , the bestselling screener trusted for more than 15 years to pinpoint delays as early as possible during the crucial first 5 years of life. ASQ-3 questionnaires are reliable and valid, parent-completed, cost effective, recommended by top organizations, and easy to administer and score. The 21 age-appropriate questionnaires effectively screen five key developmental areas: communication, gross motor, fine motor, problem solving, and personal-social. For more information visit lb.ca/agesandstages .