marginally significantp = 0.07
However, a main effect of time period was significant ( F [2.40, 28.79] = 32.34, p < 0.01, η 2 p = 0.73) and an interaction of test beverage × time period was marginally significant ( F [3.40, 40.74] = 2.45, p = 0.07, η 2 p = 0.17).