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First Language Acquisition Differs from Second Language Acquisition in Prelingually Deaf Signers: Evidence from Sensitivity to Grammaticality Judgement in British Sign Language
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Cormier, Kearsy; Schembri, Adam; Vinson, David; Orfanidou, Eleni – Cognition, 2012
Age of acquisition (AoA) effects have been used to support the notion of a critical period for first language acquisition. In this study, we examine AoA effects in deaf British Sign Language (BSL) users via a grammaticality judgment task. When English reading performance and nonverbal IQ are factored out, results show that accuracy of…
Descriptors: Evidence, Grammar, Sign Language, Second Language Learning