an expected trendp < .001
An expected trend for fatigue was found ( F = 12.12, p < .001); participants were more tired at 8pm ( M = 2.75, SE = .08) than they were earlier, and more tired at 5pm ( M = 2.51, SE = .08) than they were at 2pm ( M = 2.32, SE = .08) or 11am ( M = 2.34, SE = .08; fatigue did not differ significantly between the two first occasions) 1 .