Drawing on the sociocultural view, shared knowledge is regarded as a basis for interdependent working and multi-professional learning in early childhood education. Shared professional knowledge can be seen as a central element in successful collaboration facilitating individual and collaborative professional learning. This study aims to…

Among 440 early childhood teachers, half were randomly assigned to take a 14-week course on effective teacher-child interactions. This course used the Classroom Assessment Scoring System (CLASS) as the basis to organize, describe, and demonstrate effective teacher-child interactions. Compared to teachers in a control condition, those exposed to…