Diagnosis of ADHD

5 symptoms required ...............6 symptoms .............7 symptoms
of 9.............................................. of 9 ................................... of 9

John 3 symptoms of ADHD .......no............................................no.................................no

Fred 4 symptoms ........................no............................................no.................................no

Sam 4 symptoms ........................no............................................no.................................no

Jimmy 5 symptoms ....................yes..........................................no.................................no

Jose 5 symptoms .......................yes..........................................no.................................no

Winny 5 symptoms ....................yes...........................................no.................................no

Jill 6 symptoms ..........................yes............................................yes...............................no

Bob 6 symptoms ........................yes............................................yes...............................no

John 7 symptoms ......................yes............................................yes...............................yes

Ron 9 symptoms ........................yes............................................yes...............................yes

Symptom overlap
at different thresholds

5 of 9 ........................................................6 of 9 ..................................................7 of 9
.....Child A.....Child B............................Child A.....Child B...............................Child A.....Child B

1. A.......................................................... A........................................................... A
2. A.......................................................... A........................................................... A
3. A.......................................................... A........................................................... A .. B
4. A.......................................................... A .. B.................................................... A .. B
5. A..B..................................................... A .. B ................................................... A .. B
6.......B..................................................... A .. B ................................................... A .. B
7........B........................................................... B ................................................... A .. B
8........B........................................................... B .......................................................... B
9........B........................................................... B .......................................................... B