Children 0 – 12 months Auditory Skills Mastered in Normal Hearing Children Birth – 12 months 0-13% NH mastered 0-12 mo 10%+NH mastered 0-12 mo 20% NH mastered 0-12 mo 30% NH mastered 0-12 mo 50%+ NH mastered 0-12 mo. 60% NH mastered 0-12 mo 80% NH mastered 0-12 mo