The report presents results of both basic and applied research conducted at the Center for Research on Language and Language Behavior. Research was interdisciplinary and oriented toward the goal of contributing to the more effective learning, teaching, and use of language by persons of all ages and abilities. Studies described concerned oral word association norms for educable mentally retarded (EMR) children, relationship of paradigmatic free word associations to paired associate learning by EMRs, comprehension and imitation of sentences by mongoloid children as a function of transformational complexity, literature review of auditory integration and study of central auditory integration abilities of normal and retarded children, computer-assisted teacher training, connotative meaning of disability labels, and influence of disability labels and dialect differences on semantic differential responses of college students. (KW)