Dislikes or avoids activities that require paying attention for more than one or two minutes
Loses interest and starts doing something else after engaging in an activity for a few moments
Talks a lot more and makes more noise than other children of the same age
Climbs on things when instructed not to do so
Cannot hop on one foot by age 4
Is nearly always restless -- wants to constantly kick or jiggle feet or twist around in his/her seat. Insists that he/she "must" get up after being seated for more than a few minutes
Gets into dangerous situations because of fearlessness