Upon hearing a novel label, listeners tend to assume that it refers to a novel, rather than a familiar object. While this disambiguation or mutual exclusivity (ME) effect has been robustly shown across development, it is unclear what it involves. Do listeners use their pragmatic and lexical knowledge to exclude the familiar object and thus select…

This study investigates early childhood educators' language training competence that is required to support children's linguistic development. Hundred and forty-four early-years-professionals in Germany completed a computer-based assessment. We first tested knowledge of linguistic topics (e.g. morpho-syntax, developmental stages). Second, we…