ASPECTS stands for Acute Stress Programme for Children and Teenagers and is this trial evaluates Cognitive Behavioural Therapy, in comparison to waiting list group, looking at how children and teenagers feel after frightening experiences such as road trafic accidents or violence. (http://c2ad.mrc-cbu.cam.ac.uk/projects/aspects.html). This study has been conducted by by Dr Richard Meiser-Stedman and Dr Anna McKinnnon. Recruitment has now concluded.