Editorial introduction to the mini-series on ‘New statistical approaches and research practices for bilingualism research’, now in press at Bilingualism: Language and Cognition. Features contributions on: open data and materials (Bolibaugh, Vanek, & Marsden, 2021), preregistration (Mertzen, Lago, & Vasishth, 2021), statistical power (Brysbaert, 2021), meta-analysis (Plonsky, Sudina, & Hu), generalized additive models (Miwa & Baayen, 2021), divergence onset analysis (Stone, Lago, & Schad, 2021), and Bayesian ordinal models (Veríssimo, 2021).