Hyperactivity
A child may be exhibiting symptoms of Hyperactivity if he or she often:

• Fidgets or squirms.
• Leaves seat when remaining seated is expected.
• Runs or climbs when he or she shouldn't.
• Has difficulty with quiet leisure activities.
• Is on the go, as if driven by a motor.
• Talks excessively.

Impulsivity
A child may be exhibiting symptoms of Impulsivity if he or she often:

• Blurts out answers before questions have been completed.
• Has difficulty waiting his or her turn.
• Interrupts or intrudes on others.

Because all children behave in these ways at times, only a professional can diagnose a child with ADHD.