The study evaluated developmental progress in three groups of infants (9-30 months) presenting Down syndrome (n=28), mild disability (n=16), or moderate/severe disabilities (n=16). To evaluate intervention impact, formulas that measure rate of development and change in rate of development were computed. Findings indicated rate change formulas were…

The project evaluated the effectiveness of using Total Communication (simultaneous use of sign language and speech) with six infants with Down syndrome as a means of fostering communication while verbal skills and articulatory proficiency develop. Each child was seen within the home environment every second week through 24 months of age and once a…