Psychology is the study of the mind, whereby scientists attempt to pinpoint the root cause or aetiology for underlying mechanism that prompt human or non-human behaviour.
It is essential to keep this in mind when writing an essay and to clearly demonstrate you understanding and back this up through research beyond the text books. Real life application, elements of different debates A03; strengths and weakness A02 need to be implemented in a clear logical and coherent manner.
Essay writing is the key in achieving the top marks. Learn how to go this extra mile.