Same device type
Phone and desktop testing can produce different response-time patterns.
Annual tracking
Periodic testing can help people compare current performance with their own previous baseline. This is different from diagnosis and should be interpreted carefully.
A cognitive result can be influenced by sleep, stress, device type, distractions and practice effects. Repeating tests in similar conditions makes the comparison more useful.
If persistent changes appear, a responsible platform should recommend retesting under similar conditions or discussing concerns with a qualified specialist.
Start with the Short Cognitive Test and read the tracking guide for context.
Phone and desktop testing can produce different response-time patterns.
A quiet environment makes the result easier to compare with future results.
Sleep, fatigue and stress should be recorded because they affect performance.