The ECU at Australia says that there are many reason behind stress but at the same time these stress can be narrowed down in different ways where the health professionals will feel motivated about their work as well as serve their patients enthusiastically. Just as in the case of operant conditioning behaviours are performed to either gain the reinforcements as well as avoid punishments that would help in deciding the future actions of a person, the incentive theory on the other hand states that the behavior of a person will always be directed towards