“…The bilingual language experience is, by its very nature, distributed across language, andat least in relative termsbilingual children receive proportionally less input in each language that monolingual children. Although relative amount of exposure is only an indirect and imperfect approximation of input quantity (Carroll, 2017;De Houwer, 2014;Hurtado, Grüter, Marchman & Fernald, 2014), it has repeatedly been shown to correlate robustly with measures of language proficiency (Hoff, Welsh, Place & Ribot, 2014;Unsworth, 2013).…”