..., which has been advocated as the preferred method for investigating predictive accuracy in psychology (Rice and Harris, 2005). ROC analysis describes the diagnostic accuracy of continuous measures on a dichotomous outcome, by plotting the true positive rate against the false positive rate at various...

..., are the implementers who deliver evidence‐based programmes. This article distinguishes fidelity at the programme level from implementer fidelity. Two components of implementer fidelity are defined. It is proposed that implementer adherence and competence are related but unique constructs that can be reliably measured...

...Suzanne Skevington; Fiona Gillison The measurement of children's quality of life has an important role to play in improving their experience of health and social services, and in promoting a child‐centred approach to service provision. This article provides a rationale for both the development...