Every time Marcus walks through a doorway at his workplace, he feels a compulsive need to tap the frame exactly six times while counting backwards from ten out loud. If he is prevented from completing this ritual, he experiences a severe panic attack. Consequently, he has started avoiding leaving his office altogether during the day, which has led to him missing vital client presentations and being formally disciplined by his manager. This behaviour is an example of statistical infrequency.
Identify one other definition of abnormality and explain why Marcus's behaviour could be considered abnormal according to this definition.
43 exam-style questions on AQA A Level Psychology Definitions of abnormality. Each one has a worked solution and a mark scheme showing where the marks go.