Based on a theoretical model of instructional quality this study investigates the influence of different dimensions of instructional quality in the school entrance phase on students' language development taking into account child and family background factors as well as structural characteristics of the classroom and teacher's educational beliefs.…

Competency in society's lingua franca plays a major role in the emergence of social disparities within education. Therefore, the present longitudinal study investigates vocabulary development and its predictors in preschool years. We focus on whether internal (phonological working memory) and external variables (preschool and home learning…