Staged car crash videos were shown, 5-35 seconds long. Questionnaires were given to participants to complete after each clip. 2 parts: first asked to give an account of the accident and secondly a series of questions asked, including a question regarding the speed of the vehicle. The order the 7 clips were mixed to stop order effects. The critical question was 'how fast were the cars going when they xxxxxxx into each other?' (bumped,smashed,collided,contacted,hit)