Table 3.
ANOVA results from Experiment 1
| Speed/Accuracy instruction |
Accuracy | Mean RT | Drift rates | a | z/a |
|---|---|---|---|---|---|
| Main effect: | F(1,17) = 97.9 | F(1,17) = 66.8 | F(1,17) = 118.5 | - | - |
| word frequency | p < .001 | p < .001 | p < .001 | ||
| Main effect: | F(2,34) = 55.2 | F(2,34) = 59.5 | F(2,34) = 1.08 | F(2,34) = 76.3 | F(2,347) = 1.33 |
| instruction | p < .001 | p < .001 | ns | p < .001 | ns |
| Interaction | F(2,34) = 3.32 | F(2,34) = 6.8 | F(2,34) = 1.16 | - | - |
| p = .048 | p = .003 | ns | |||
| Bias instruction | |||||
| Main effect: | F(1,17) = 102.8 | F(1,17) = 44.5 | F(1,17) = 135.9 | - | - |
| word frequency | p < .001 | p < .001 | p < .001 | ||
| Main effect: | F(2,34) = 30.4 | F(2,34) = 40.9 | F(2,34)=4.45 | F(2,34) = 1.2 | F(2,347) =107.5 |
| instruction | p < .001 | p < .001 | p = .021 | ns | p < .001 |
| Interaction | F(2,34) = 19.8 | F(2,34) = 2.67 | F(2,34) = 0.86 | - | - |
| p < .001 | p = .083 | ns | |||
Note. a = boundary separation; z/a = position of starting point relative to the boundaries.