Multimodal annotation of parent-child interaction in a free-play setting

This paper describes the verbal, non-verbal, and discourse annotation of a longitudinal corpus of parent-child interaction. The verbal annotation includes transcription of child-directed speech and child vocalizations. The non-verbal annotation describes gestures and objectrelatedactions by both parent and child. The verbal and non-verbal annotation is combined in discourse annotation that distinguishes initial from subsequent mentions, and further categorizes initial mentions depending on initiative.Modelling the emergence of linguistic structures in early childhoo