We investigated whether access to a sign language affects the development of pragmatic competence in three groups of deaf children aged 6 to 11 years: native signers from deaf families receiving bimodal/bilingual instruction, native signers from deaf families receiving oralist instruction and late signers from hearing families receiving oralist…

Investigated the relationship between children's failures to produce unambiguous utterances and the mental effort demands in children (ages five, six, seven, and nine years), using finger-tapping and message production tasks, separately and simultaneously. Findings suggest that the relative effort requirements of communication decrease with…