“…They also predict reading competency and school achievement. Comprehension related competencies -vocabulary, knowledge of the social and physical world, and inferential skills that continue to develop throughout life -seem to be responsible for the substantial gaps between children raised in different socioeconomic environments from an early age (Dickinson, Golinkoff, & Hirsh-Pashek, 2010;Ferland, Marchman, & Weileder, 2013;Lennox, 2013;Paris, 2005). Hoff (2003) claims, that it is the quality of infants' early language environment that mediates the link between SES and children's vocabulary knowledge.…”