Cognitive Research: Principles and Implications

Table 1 Mean estimates of perceived speed by condition in Experiments 1 and 2

From: Looming sounds are perceived as faster than receding sounds

	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.

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