Items for the diagnosis of ADHD (derived from DSM-IV).
| Inattention | |
| Careless with detail | |
| Fails to sustain attention | |
| Appears not to listen | |
| Does not finish instructed tasks | |
| Poor self organisation | |
| Avoids tasks requiring sustained mental effort | |
| Loses things | |
| Easily distracted | |
| Seems forgetful | |
| Hyperactivity–impulsivity | |
| Fidgets | |
| Leaves seat when should be seated | |
| Runs/climbs excessively and inappropriately | |
| Noisy in play | |
| Persistent motor overactivity unmodified by social context | |
| Blurts out answers before question completed | |
| Fails to wait turn or queue | |
| Interrupts others' conversation or games | |
| Talks excessively for social context |
Criterion for subtypes is 6/9 on either list or, for combined type, 6/9 on each of both lists (see text), together with preschool onset, pervasiveness, and impaired functioning.