Table 3.

Fixed-effect parameters of GLMM for ridged surface (experiment 2)

	Estimate	SE	zValue	Pr(> z)
η0 (intercept)	−2.88	0.26	−10.95	<0.001
η1 (speed)	0.33	0.03	10.42	<0.001
η2 (32 Hz)	−0.05	0.18	−0.29	0.77
η3 (speed: 32 Hz)	−0.01	0.02	−0.15	0.88
η4 (64 Hz)	0.48	0.16	2.92	<0.001
η5 (speed: 64 Hz)	−0.07	0.02	−3.93	<0.001
η6 (128 Hz)	0.45	0.16	2.75	0.01
η7 (speed: 128 Hz)	−0.06	0.02	−3.53	0.001
η8 (256 Hz)	0.20	0.17	1.19	0.23
η9 (speed: 256 Hz)	−0.03	0.02	−1.59	0.22

See text for description of parameters.