Table 1.

Perceived Morphological Horizon in Degrees (and Standard Error) as a Function of Trial and Condition

	Trial
Condition	1	2	3	4	5	6	7	8	9	10
Upright	-3.5 (1.1)	-5.0(1.2)	-6.3 (1.0)	-5.9 (1.2)	-6.5(1.3)	-6.8 (1.4)	-6.8 (1.2)	-6.8 (1.2)	-7.1 (1.3)	-6.8 (1.0)
Stable-45	-11.6 (2.0)	-10.9 (2.2)	-11.2 (2.4)	-11.9 (2.4)	-11.5(2.5)	-11.5 (2.3)	-12.2 (2.4)	-13.1 (2.3)	-13.1 (2.5)	-13.4 (2.6)
Rotate-to-45	-10.1 (1.8)	-11.2 (2.3)	-11.4 (2.2)	-11.2 (2.7)	-12.7 (2.9)	-11.8 (3.0)	-13.2 (2.6)	-13.5 (2.6)	-14.3 (2.6)	-14.1 (2.8)
Post -Rotate-45	-12.5 (2.2)	-14.2 (2.4)	-13.0 (2.6)	-15.5 (2.5)	-15.1 (2.3)	-16.8 (2.2)	-15.1 (2.5)	-15.3 (2.4)	-15.4 (2.3)	-16.1 (2.2)
Stable-135	-13.0(3.4)	-15.1 (3.1)	-14.9 (3.1)	-13.9 (3.0)	-13.8 (2.9)	-13.6 (3.2)	-12.4 (3.4)	-10.5 (3.2)	-12.7 (3.0)	-11.7 (3.2)
Rotate-to-135	-25.1 (2.3)	-23.0 (2.8)	-20.7 (2.5)	-19.4 (2.5)	-18.8 (2.6)	-17.8 (2.8)	-18.5 (2.5)	-18.6 (2.6)	-17.7 (2.6)	-17.7 (3.0)
Post-Rotate-135	-16.9 (2.4)	-15.3 (2.4)	-15.8 (2.3)	-14.1 (2.6)	-14.0 (2.3)	-13.1 (2.6)	-14.8 (2.2)	-14.0 (2.2)	-13.4 (2.2)	-13.7 (2.1)
Combined 45	-9.4 (1.8)	-10.3 (2.0)	-10.5 (2.0)	-11.2 (2.2)	-11.4 (2.2)	-11.7 (2.2)	-11.8 (2.2)	-12.2 (2.1)	-12.5 (2.2)	-12.6 (2.2)
Combined 135	-14.6 (2.3)	-14.6 (2.4)	-14.4 (2.2)	-13.3 (2.3)	-13.3 (2.3)	-12.8 (2.5)	-13.1 (2.3)	-12.5 (2.3)	-12.7 (2.3)	-12.5 (2.3)