Having a good grasp of what psychology is all about is essential for anybody wanting to study the topic in greater depth. Now this may sound like an obvious thing to state but psychology is a subject which is often misunderstood and referred to without any real consideration as to its actual meaning. A classic case in point being the usual response you get from people when you tell them that you teach psychology; namely, "I better be careful what I say", or "so do you know what I'm thinking then?