“…Although the majority of evaluation studies provide little or no data on implementation (Dane & Schneider, 1998;Durlak, 1998), it is clear from those studies that have monitored it that it is often variable and imperfect in field settings and that the level of implementation influences outcomes (Durlak, 1998;Domitrovich & Greenberg, 2000;Mihalic et al, 2002). Monitoring and documenting the process of programme implementation is critical to highlighting programme strengths and weaknesses, determining how and why programmes work, enhancing the validity of outcome evaluation and providing feedback for continuous quality improvement in programme delivery (Domitrovich & Greenberg, 2000).…”