Playground
Symbol Digit Substitution
Processing speed with a visible code table
This is a solo practice run: your results stay in this browser tab and are never sent anywhere. To contribute to a class result, join a live session with a code instead.
Instructions
Symbol Digit Substitution
Use the visible code table to decide which digit matches the current symbol.
The code table stays the same for the entire task. The mapping never changes.
Respond as quickly as you can, using the number keys or the on-screen 1-4 keypad.
Total trials: 28