Analysis of two- to five-year-olds' (N=26) responses to queries regarding utterances they made during free play indicated that social context interacted with response type, demonstrating that the initial utterance had a role in response determination and was important to the contingent query sequence. (Author/CB)

The early acquisition of the interrogative system, with data from Serbo-Croatian, is investigated. The subject is approached from the angle of adult-child interaction. A first-born pair of dizygotic twins were observed, beginning a month prior to the time when they first began to produce questions. (Author/RM)

Examination of the transition to purposive use of intonation with single words for two infants revealed that both clearly used rising tones to ask questions by 1.5 years of age and demonstrated widespread and gradual grammatical use of intonation. (Author/CB)

Sentences evoked from three- to five-year-olds (N=16), analyzed for errors (particularly copying-without-deletion), showed errors when: the subject noun phrase (NP) contained a relative clause, the relative clause had an object gap, and the relative clause was long. (Author/CB)

Examines the changes that occur from ages 5 to 11 in question/answer sequences of Dutch children. Function, content, form of questions, and listener response are analyzed. (EKN)