verging on significancep = 0.057
The ANOVA showed an effect of background and of chromatic/luminance co m bination (F(2, 34) = 3.78, p = 0.033, ηp 2 = 0.18 and F(2, 34) = 3.83, p = 0.032, ηp 2 = 0.18 respectively), while the interaction was verging on significance (F(4, 68) = 2.12, p = 0.057, ηp 2 = 0.13).