Table 1.
Mean reaction times (in ms) and errors (%) for the size task and the letter identity task in incompatible, neutral (non-overlapping), and compatible letter task Go trials and letter task No-go trials in Exp. 1
| S(B) − R(A) compatibility | Go trials | No-go trials | ||
|---|---|---|---|---|
| RT | Percent errors | RT | Percent errors | |
| Size task | ||||
| Incompatible | 508.30 | 0.68 | 450.32 | 1.37 |
| Neutral | 495.53 | 0.88 | 444.43 | 1.17 |
| Compatible | 499.96 | 1.43 | 439.40 | 1.37 |
| Δ | 8.34 | −0.75 | 10.92 | 0.00 |
| Letter identity task | ||||
| Incompatible | 544.13 | 7.88 | – | 2.80 |
| Neutral | 512.28 | 4.59 | – | 2.99 |
| Compatible | 509.27 | 4.00 | – | 2.60 |
| Δ | 34.83 | 3.88 | – | 0.20 |
Go trial versus No-go trial refers to the identity task. The size task was always to be executed. The row labelled Δ depicts effect sizes of the compatibility effects (incompatible minus compatible)