In dealing with the differences between the school and non-school language of Black children, the author uses a contingency grammar," which considers all speakers of a language to have the identical linguistics competence but includes a level of systematic performance" to account for dialectal and other systematic differences. (FB)

It has usually been psycholinguistics which has accommodated itself to alterations within linguistic formulations, but now there is a growing independence on the part of many psychologists in the study of language. The shift in emphasis is from competence to performance. (POP)

Paper presented at Indiana University, Bloomington on February 24, 1971, under the auspices of the Committee for Research and Development in Language Instruction. (VM)