Meta-analysis on cross-linguistic influence in bilingual children

Although cross-linguistic influence at the level of morphosyntax is one of the most intensively studied topics in child bilingualism, the circumstances under which it occurs remain unclear. In this meta-analysis, we measured the effect size of cross-linguistic influence and systematically assessed its predictors in 750 simultaneous and early sequential bilingual children in 17 unique language […]

€200,000 for Kletskoppen child language festival

Just before the Christmas holidays, we received the kind of present scientists love to receive at any time of the year, but after the rollercoaster ride that was 2020, this one came as an especially welcome gift: a message saying that Kletskoppen – the child language festival we’ve been organising in Nijmegen for a few […]

Introducing the Kletsheads podcast

I’ve been a keen podcast listener for quite a few years. If I’m completely honest, my listening has mainly been restricted to BBC Radio 4 programmes and their spin-offs, but over the past year or so I’ve spread my podcast wings and started to listen to a wider variety, from the now classic American Serial […]

The 2in1 project is hiring!

At the 2in1 project we’re currently looking for students (or recent graduates) to help with various research projects testing bilingual and monolingual children. In particular, we’re looking for native speakers of Dutch, German and Turkish. We’re also looking for a (Research) Masters student to help out with coding and analysing some sentence repetition data. All […]

New paper on language use, language proficiency and cognitive control

Josje Verhagen, Elise de Bree and I just heard that our paper “Effects of bilingual language use and language proficiency on 24-month-olds’ cognitive control” has been accepted for publication at the Journal of Cognition and Development. Hurrah! In this paper, which is very much Josje’s work, we show that cognitive control performance in bilingual toddlers […]