Despite growing demands for effective training there remains a lack of convincing evaluations. Reviews of the training literature specify the need for multiple measures, homogeneous therapies, generalization assessments and longitudinal designs. The present analysis responds by evaluating the training of 20 mental health professionals in cognitive therapy (CT). The evaluation focussed on changes in the professionals' competence and its generalization to their patients' coping strategies (N = 20). Results indicated that a 40 day training programme led to significantly higher post-training competence scores and to improved patient coping. The implications for professional training and its evaluation are discussed.