Longitudinal interrelations between nonword repetition and vocabulary from age three to five: Evidence for within-child processes?

The relation between nonword repetition and vocabulary has been the focus of a theoretical controversy for several decades. The point of contention is whether the ability underlying nonword repetition drives vocabulary growth or vice versa. The present study examines longitudinal interrelations between nonword repetition and vocabulary from age 3 to 5 with random intercept cross-lagged panel models (RI-CLPMs).

Factor Analysis of the Classroom Assessment Scoring System Replicates the Three Domain Structure and Reveals no Support for the Bifactor Model in German Preschools.

The quality of early childhood education and care (ECEC) is important for children's development. One instrument that was developed to assess an aspect of ECEC quality is the Classroom Assessment Scoring System for pre-kindergarten children (CLASS Pre-K). We examined the factorial validity of the instrument using data from 177 German preschool classrooms.

Expressive Morphological Skills of Dual Language Learning and Monolingual German Children: Exploring Links to Duration of Preschool Attendance, Classroom Quality, and Classroom Composition.

A growing body of research has been documenting environmental factors that support preschoolers' vocabulary skills. However, less is known about how environmental factors are related to morphological skills of dual language learners (DLLs) and single language learners (SLLs). We examined connections with preschool experiences by investigating the effects of duration of preschool attendance, classroom quality, and classroom composition variables (percentage of DLLs and percentage of children from families with a low socio-economic status) on preschoolers' expressive morphological skills.