Language in touchscreen apps could be useful as an additional source of children's language input, alongside child directed speech (CDS) and books. Here we performed the first analysis of language in apps, as compared with books and CDS. We analysed language in 18 of the most popular educational apps targeting pre-schoolers and compared their…

In communication between first (L1) and second (L2) language users, the default has long been for L2 speakers to assume most, if not all, responsibility for adjusting their speech to accommodate their interlocutor. This not only places an undue burden on the speaker, but also furthers the assumption of listener passivity in communication. One…