Major innovations are becoming available for research in language development and disorders. Among these innovations, recent tools allow naturalistic recording in children's homes and automated analysis to facilitate representative sampling. This study employed all-day recordings during the 2nd year of life in a child exposed to three languages,…

Investigates whether knowing more than one language enhances the learning of lexical items and syntactic constructions in other languages. Multilingual (M1) students outperformed unilinguals in both types of acquisition, suggesting that M1s' heightened metalinguistic skills, enhanced lexical knowledge, and a less conservative learning procedure…