Change in early childhood classroom interaction quality after a professional development programme (Cambio en la calidad de las interacciones pedagógicas en Educación Infantil tras un programa de desarrollo profesional)

The goal of this study was to analyse changes in classroom interaction quality in 85 early childhood classrooms in vulnerable social contexts in Santiago de Chile which participated in the first year of a professional development programme. Classroom interaction quality was measured using the Classroom Assessment Scoring System (CLASS) at the beginning and end of the school year. Contingency tables were built in the experimental and control...