under 3-year-old children with bilateral severe sensory hearing loss who were fitted with
appropriate behind the ear hearing aids received intervention for 6 months. The levels of the
auditory skills were measured pre and post intervention. Intervention Efficiency Index (IEI),
Pretest Developmental Rate (PDR) and Proportional Change Index (PCI) were computed.
Results: The data indicated that there was a significant difference between means of IEI and …