Not all clock-drawing tasks are the same.
Royall
Donald R
DR
Espino
David V
DV
D000544:Alzheimer Disease / Q000175:diagnosis; D003704:Dementia / Q000175:diagnosis; D006801:Humans; D008403:Mass Screening / Q000379:methods / Q000592:standards; D011581:Psychological Tests / Q000592:standards*; D011597:Psychomotor Performance