Oral Symbol Digit Test
Cognition: Processing Speed
An assessment of processing speed. Per the key at the top of the page, participants are asked to orally call out the number that corresponds to each symbol in a grid.
Age range: 5+
Test Time: 3 minutes
Available in: NIH Toolbox
Additional equipment required: Yes
Qualification Level: Cognition access required
Supplies & Equipment
- OSD Examination Sheet
Resources available upon login.