Babies, whether they can hear or not, respond more quickly and are able to express their thoughts "verbally" earlier in sign language than with vocal language. Designed to teach parents, relatives, and caregivers to communicate with babies and toddlers using American Sign Language . Provides strategies for meeting the communication needs of infants as they grow. (Continuing Education Units [CEUs] available from the producer of this product. See the “Post Test” for details.) NOTE: This interactive web content is not compatible with iOS or Android devices. Certain versions of desktop browsers may also experience compatibility issues, as this legacy content heavily uses Adobe Flash animations.