Evaluation of a program which taught six severely mentally retarded individuals (ages 8-25) to sign interactively with each other found participants showed increased signing skills in a training play situation, generalized use of these skills in a second play situation, and maintained the trained skills over a 2 to 4 month period. (Author/DB)

This study evaluated the recognition and retention of transparent and nontransparent manual signs by 50 sign-naive hearing college freshmen. There was a significant decrease in the number of nontransparent signs retained as the period of time after training increased. Implications for sign language training with nonverbal hearing persons are…