2. Ratings by parent and by teacher corresponding to a total score above the 93rd percentile (i.e. more than 1.5 SD above the mean) on the scale of "DSM-IV Inattention" on the current Conners Parent (or Teacher) Rating Scale - Long Form. The items on this scale are the inattention symptom criteria from the DSM-IV, each of which the informant is asked to rate in severity on a 4-point scale ranging in severity from 0 ("not at all") to 3 ("very much"). A score above the 93th percentile indicates that the child's score equals or exceeds that for 93% of other children of the same age (within 2 years) and gender.