Diagnose

Lets start by saying is not a single test do diagnose ADHD. To diagnose ADHD a license professional needs to study the child behavior and his environment. Probably the family will like to talk with the child pediatrician; reason been sometimes the child behavior could be relate to a specific situation and be mistakenly diagnose as ADHD.
 * // How is ADHD diagnostic //**** ? **

Take in consideration that every person is different so you will need a number of different tools to diagnose ADHD. Doctors will usually use a checklist of symptons, answers to questions about past and present problems or a medical exam to rule out other causes for symptoms.