highly significantp < 0.0001
Statistically, this was reflected by the highly significant main effects of the factors direction (F(1,15) = 61.8; p < 0.0001) and phase (F(1,15) = 107.0; p < 0.0001), and the interaction between both factors (F(1,15) = 47.5; p < 0.0001).