Is the ECI sensitive to age differences in early communication?
Total Communication mean levels by children’s age spans were different, increasing with increasing age: • Cohort 1 (0 to 12 Months): M = 4.8 communications per minute • Cohort 2 (13 to 24 Months): M = 8.3 communications per minute • Cohort 3 (25 to 36 Months): M = 11.7 communications per minute Is the ECI sensitive to changes in Key Skill Elements (Gestures, Vocalizations, Single and Multiple Words)? Summary: • For children 0 to 12 months of age, vocalization and gestures were the most prominent forms of communication. Growth was noted in vocalizations, gestures, and words. View graph of 0-12 month communication growth • For children 13 to 24 months of age, vocalizations and gestures remained dominant but declined over time. Compared to the younger children, use of words and multiple words were elevated and accelerating. View graph of 13-24 month communication growth • For 25 to 36+ months of age, use of single and multiple words continued to accelerate in their communication while dec
