Requests for reprints should be addressed to her at 5658 Lymbar, Houston, Texas 77035. Elizabeth Peterson is a diagnostic-precision teacher in the Houston Independent School District, Houston, Texas.Margaret Crabtree is a clinical assistant professor in the Division of Audiology and Speech Pathology at Baylor College of Medicine, Houston, Texas. Requests for reprints should be addressed to her at 5658 Lymbar, Houston, Texas 77035. Elizabeth Peterson is a diagnostic-precision teacher in the Houston Independent School District, Houston, Texas.× Copyright © 1974 American Speech-Language-Hearing Association Article Information