Processing Speed
How quickly can you match visual information under time pressure?
For information and self-reflection
This assessment is not a medical or psychological diagnosis and not a clinical screening tool. It cannot determine whether you have a medical or mental-health condition. If you are concerned about your health, please seek advice from an appropriately qualified healthcare professional.
What this measures
Processing Speed tests how fast you can accurately scan and match simple visual symbols, a core cognitive speed factor distinct from reaction time.
How it works
Mark matching symbol pairs within a timed block. Accuracy and speed both count; the block is short and time-limited.
How results are calculated
Your primary score is correct matches within the time limit (higher is better), feeding the processing-speed index of the IQ Estimate.
Accuracy & limitations
Visual acuity and display affect results. Research-grounded (Evidence B), not a clinical assessment.
FAQ
Keep exploring
Last reviewed: 2026-08-14