UNDERSTAND THE CAUSES OF PROBLEMS WITH ASD :- BEHAVIOURAL SIGN :- Not participate in class activities UNDERLYING CAUSES :- Weak attention, Weak Learning Ability, Visual/ Hearing Impairment, Specific learning Difficulties, Weak Language Ability, Emotional Problems, Too Difficult/ too Easy Curriculam, Negative Family Factors. Let's take the EXAMPLE that If the teacher mistakes the sign of his/her havign weak attention, then an unfit management strategy will be applies and the child will not be helped effectively. The teacher will need to closely observe the child and expose various cause of his/her problem in order to improve the child's performance.