highly significantp < 0.0001
ANOVA RM showed there was no effect of Day ( F (4, 20) = 0.248, p = 0.908) or Day*Trial interaction ( F (12, 60) = 0.788, p = 0.661), but a highly significant main effect of Trial ( F (3, 15) = 17.73, p < 0.0001), upon the slope.