marginally significantp < 0.07
A marginally significant main effect also appeared for Treatment ( F (5,58) = 2.157, p < 0.07, n 2 = 0.157; power = 0.668), with a significant partial effect on Factor 13, alternative reinforcement, in favor of the experimental group ( F (1,73) = 8.513, p < 0.001, n 2 = 0.121; power = 0.819).