Trail Making Task A/B
About
Find and connect the next target
Trail Making examines visual search and sequencing. Part B adds set shifting by alternating between numbers and letters.
What it measures- Completion time and errors for numeric sequencing (Part A)
- Completion time and errors for alternating sequences (Part B)
- B-minus-A time as a descriptive set-shifting cost
Trail Making Task A/B
Before you begin
Use a comfortable pointing method
- Keep this tab visible and the device steady
- Use touch or mouse for the closest analogue to trail drawing
- Keyboard users may move focus and activate targets, but timing is not directly comparable
This responsive browser task is a research proxy and not equivalent to a standardized supervised Trail Making Test. Data will be recorded for academic research.
Trail Making Task A/B
Instructions
Complete each trail in order
- Practice and Part A: 1 → 2 → 3 → 4 …
- Part B: 1 → A → 2 → B → 3 → C …
- If you choose the wrong target, correct the error by selecting the expected target
The trail line remains visible as you progress.
PracticeFind 1
Select 1 to begin
Trail Making Results
Research summary