“…At the same time, an overwhelming majority of studies and reviews of studies, using randomised control trials or at least one standardised instrument to measure outcomes, suggests that parenting programmes delivered in schools and in other settings have positive impacts for both parents and children (see, for example, Zellman & Waterman, 1998;Barlow, 1999;Webster-Stratton, 1999;Dimond & Hyde, 2000;Barlow et al, 2002, 2004. Ghate & Ramella, 2002Scott, 2003;Barlow & Parsons, 2003National Institute for Health & Clinical Excellence, 2005;Manby, 2005;Lundahl et al, 2006;Dretzke et al, 2009;Churchill & Clarke, 2010). Barlow (1999), on the basis of a systematic review of programmes, estimated that 4% of the parent population in the United Kingdom had attended a parent education programme.…”