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Mean estimates of perceived speed by condition in Experiments 1 and 2
| Experiment 1 | Experiment 2 | |
|---|---|---|
| M (SE) | M (SE) | |
| 15 mps | 15.1 (2.4) | 13.5(0.94) |
| 20 mps | 16.1 (1.0) | 14.4(0.98) |
| 25 mps | 16.7 (0.9) | 14.9(0.98) |
Notes: The small significant main effects for speed in each experiment were moderated by significant interactions. Participants made speed estimates in either mph or km/h. All estimates were transformed to mps for analysis. 15 mps = 33.6 mph, 20 mps = 44.7 mph, 25 mps = 55.9 mph.
