| Inattention | Hyperactivity | Impulsivity |
| Strong in attention by audiovisual stimuli Main ADHD | Fidgeting or squirming and not sitting still | Answering impulsively before the question has been completed |
| Day dreaming in the class | Standing up even when they must be sitting | Are annoyed when they have to wait for their turn |
| Not easily focusing on details | Constantly moving and characterized as restless | Moving either fast or slowly |
| Facing difficulties in organizing their activities or their schedule | Constantly moving and characterized as restless | Interrupting others or others’ activities |
| Not fully following instructions and frequently failing to turn in their homework assignments | Talking in the class |
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| Often forgetting their daily activities | Playing recklessly |
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| Appearing not to be listening when spoken to |
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