Table 4.
Results of multiple regression analyses for English alphabet letter pairs.
| Variables | Unstandardized coefficient | Standardized coefficient | t-value | p-value | |
|---|---|---|---|---|---|
| B | SE | β | |||
| COLOR DISTANCE [R2 = 0.27, F(4, 60) = 5.50, p < 0.01] | |||||
| Ordinality difference | 33.614 | 9.707 | 0.393 | 3.46 | <0.01 |
| Phonological similarity | 7.044 | 4.947 | 0.158 | 1.42 | 0.16 |
| Shape similarity | −11.541 | 6.831 | −0.201 | −1.69 | 0.10 |
| Familiarity difference | 11.193 | 17.271 | 0.075 | 0.65 | 0.52 |
| LUMINANCE DISTANCE [R2 = 0.13, F(4, 60) = 2.24, p = 0.08] | |||||
| − | − | − | − | ||
| SATURATION DISTANCE [R2 = 0.11, F(4, 60) = 1.76, p = 0.15] | |||||
| − | − | − | − | ||
| HUE DISTANCE [R2 = 0.16, F(4, 60) = 2.76, p < 0.05] | |||||
| Ordinality difference | 23.310 | 12.793 | 0.222 | 1.82 | 0.07 |
| Phonological similarity | 4.380 | 6.520 | 0.080 | 0.67 | 0.50 |
| Shape similarity | −19.753 | 9.002 | −0.280 | −2.19 | <0.05 |
| Familiarity difference | −7.870 | 22.762 | −0.043 | −0.35 | 0.73 |
SE, standard error.