Debates on how best to educate young children have been raging over the last 100 years--more often fuelled by ideological preferences rather than empirical evidence. To some extent this is hardly surprising given the difficulty of examining pupil progress in a systematic and comparative way. However, the introduction of a new child-centred…

This article focuses on the Incredible Years Teacher Classroom Management (IY TCM) intervention as an example of an evidence-based program that embeds fidelity and adaptation within its design. First, the core features of the IY TCM program along with the methods, processes, and principles that make the intervention effective are described. The…