A Brief Note on Mother's Judgment of Cry and Non-cry Utterances of Pre-linguistic Infants

概要

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Recent studies in developmental psychology often implicitly presuppose that utterances can be divided into cry and non-cry utterances (e. g. Masataka, 1992). Our last study (Hayashibe, et al., 1996) hypothesizes that cry and non-cry utterances are the origins of the various functions of language like mand and tact (Skinner, 1957). Obviously we should have criteria to divide child's utterances into some classes including cries and non-cries. Thus we carried out an experiment in which a mother listened to her child's utterances and classified them into certain categories. The results indicate that the mother has a clear criterion to divide the utterances into three categories, i. e. vocalization, cry and faking cry, and that the duration and the pitch of utterances affect the mother's judgment.
横浜国立大学の論文