“…Both the parent and the child are likely to feel more motivated in the context of an intervention that is effective and deliverable as well as being suited to and tailored to their needs and goals (Carver et al, ; Dawson et al, ; Milton & Roe, ). An initial interview to explore and enhance parental motivation, appropriate education and training, and diaries to promote observation of progress are all helpful approaches (Bazyk, ; Milton & Roe, ; Novak, ). Where appropriate, and in research settings, the child's degree of mastery motivation can be assessed formally using the Dimensions of Mastery scale (Miller, Marnane, Ziviani, & Boyd, ).…”