It is not as simple as ABC When we come across a behaviour that’s difficult, there’s a popular method that’s used to help parents and carers to analyse what’s happening and do something about it. You may have heard about it – or even used it. It’s called the ABC approach the idea of which is that you find a trigger for the behaviour ( A ntecedent), define the B ehaviour and provide the ‘ C onsequence’ (for example, ignore/ time out) for this (often deemed ‘inappropriate’) beh