An 8 year old student complains of lack of interest in studies for the last 6 months. He has frequent quarrels with his parents and has frequent headaches. The most appropriate clinical approach would be :
Frequent quarrels with parents (quick temper / easily angered) can be seen both in :


Depression in children.
Oppositional defiant disorder.


However, Physical symptoms (e.g., headache) and lack of interest occur in depression in children (not in oppositional defiant disorder).
Leave his as normal adolescent problem
Rule out depression
Rule out migraine
Rule out an oppositional defiant disorder