Document Type


Date of Degree Completion

Summer 1970

Degree Name

Master of Science (MS)



Committee Chair

Katherine S. Egan

Second Committee Member

Walter La Due

Third Committee Member

Jeannette Johnson


It was the purpose of this study: (1) To compare the amount of vocalization produced by each child before the experiment with the amount of vocalization during and after the application of operant conditioning techniques. (2) To compare the variations in the vocalization produced by the children. (3) To explore the possibility of shaping those vocalizations into meaningful words. The study sought to verify the following statement: Utilization of operant conditioning principles will increase the amount and variety of vocalization in language delayed children.