This book offers a step-by-step guide to intervention research, including the methods and techniques that researchers, higher degree research students and others can use when pursuing intervention research in schools and other settings. Guided by the Intervention Research Framework, it also provides practical information on linking a program developed using a comprehensive, evidence-based approach, to research and evaluation processes. The handbook also illustrates how to select an appropriate research sample for research; how to develop valid and reliable instruments for measuring change, including how to devise appropriate measures for assessing behavioural change; how to recruit and negotiate with schools (and other settings) for research involving young