Reports on a study of a normally developing boy who made pronominal errors for about 10 months. Comprehension and production data clearly indicate that the child persistently made pronominal errors because of semantic confusion in the use of first- and second-person pronouns. (28 references) (GLR)

Examination of parental responses to their young children's (N=3) inflectional over-regularizations and wh-question auxiliary-verb omission errors suggested that two of the children's parents followed ill-formed utterances with expansions and clarification questions. Such corrective responses dropped out of children's input as they continued to…