Table 2.

Results of multiple regression analyses for Hiragana character pairs.

Variables	Unstandardized coefficient		Standardized coefficient	t-value	p-value
	B	SE	β
COLOR DISTANCE [R2 = 0.79, F(4, 64) = 59.66, p < 0.01]
Ordinality difference	45.972	8.492	0.394	5.41	<0.01
Phonological similarity	−24.541	5.415	−0.333	−4.53	<0.01
Shape similarity	−19.430	5.899	−0.225	−3.29	<0.01
Familiarity difference	48.743	15.902	0.213	3.07	<0.01
LUMINANCE DISTANCE [R2 = 0.51, F(4, 64) = 16.90, p < 0.01]
Ordinality difference	14.599	4.176	0.386	3.50	<0.01
Phonological similarity	−6.400	2.663	−0.268	−2.40	<0.05
Shape similarity	−7.706	2.901	−0.276	−2.66	<0.01
Familiarity difference	−2.663	7.820	−0.036	−0.34	0.73
SATURATION DISTANCE [R2 = 0.73, F(4, 64) = 42.27, p < 0.01]
Ordinality difference	13.420	3.563	0.312	3.76	<0.01
Phonological similarity	−7.283	2.272	−0.269	−3.20	<0.01
Shape similarity	−9.786	2.475	−0.308	−3.95	<0.01
Familiarity difference	20.907	6.671	−0.248	3.13	<0.01
HUE DISTANCE [R2 = 0.74, F(4, 64) = 46.18, p < 0.01]
Ordinality difference	46.218	9.641	0.385	4.79	<0.01
Phonological similarity	−32.336	6.147	−0.427	−5.26	<0.01
Shape similarity	−13.221	6.697	−0.149	−1.97	0.05
Familiarity difference	33.233	18.053	0.141	1.84	0.07

SE, standard error.