Why are developers and operations people so different? There is a theory in psychology called ‘regulatory focus theory’. This theory states that when a person pursues a goal, they’ll do so in a way that matches their own values and beliefs. When there is a ‘fit’ in the way that someone goes about achieving their goal, they feel good about it. So, if you want to pass an exam and you are diligent by nature, you may diligently prepare and swat.