Table 3.
Contrast coding for Experiments 1, 2.
| Goal condition | Experiment 1: interesting, task-irrelevant information/Experiment 2: pending goal | |||
|---|---|---|---|---|
| Without | With | |||
| Task difficulty | Easy | Difficult | Easy | Difficult | 
| PROBLEM-SOLVING PERFORMANCE | ||||
| Focal contrast | +3 | −1 | −1 | −1 | 
| Residual contrast 1 | 0 | −1 | 2 | −1 | 
| Residual contrast 2 | 0 | 1 | 0 | −1 | 
| TIME ON TASK−RELEVANT INFORMATION | ||||
| Focal contrast | +1 | +1 | −3 | +1 | 
| Residual contrast 1 | −2 | +1 | 0 | +1 | 
| Residual contrast 2 | 0 | −1 | 0 | +1 | 
| TIME ON TASK−IRRELEVANT INFORMATION | ||||
| Focal contrast | −1 | −1 | +3 | −1 | 
| Residual contrast 1 | −1 | −1 | 0 | +2 | 
| Residual contrast 2 | +1 | −1 | 0 | 0 |