CHILDREN'S COMPREHENSION OF TEACHER AND PEER SPEECH.
D044383:Black People; D002648:Child; D032882:Comprehension; D006309:Hearing; D006801:Humans; D007360:Intelligence; D012723:Sex; D012961:Sociology; D013060:Speech
CHILD; HEARING; INTELLIGENCE; NEGROES; SEX; SOCIOLOGY; SPEECH