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| Stimuli type | #of colors | #of digits | Targets | Non-Targets |
|---|---|---|---|---|
| Homogenous | 1 | 1 |  |
 |
| Color-distinct | 8 | 1 |  |
 |
| Digit-distinct | 1 | 8 |  |
 |
| Both-distinct | 8 | 8 |  |
 |
| Conjunction-distinct | 4 | 4 |  |
 |
| Color-paired | 4 | 1 |  |
 |
| Digit-paired | 1 | 4 |  |
 |
| Conjunction-paired | 4 | 4 |  |
 |
