Error patterns and revisions in the graphic symbol utterances of 3- and 4-year-old children who need augmentative and alternative communication.

Authors: Binger C, Richter K, Taylor A, Williams EK, Willman A Abstract The purpose of this study was to explore the errors and revisions (i.e., repairs) that 3- and 4-year-old children who require augmentative and alternative communication (AAC) make as they construct 2-3-word utterances using graphic symbols. The current study involves supplemental analyses from a previously published manuscript. Various types of errors and revisions for four different semantic-syntactic structures-agent-action-object, entity-attribute, entity-locative, and possessor-entity-were analysed to explore patterns and differences across utterance types. Results indicated that the majority of errors were made during the baseline phase, and that error types varied depending on the utterance type. For exam...

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