highly significantp < 0.01
There was a Group × Ratio interaction (F(1,79) = 7.4, p < 0.01), whereby a 10% highly significant reduction (-0.08, SD 0.15; p < 0.01) in the learning ratio in low improvers in the second half which was not found in high improvers (-0.02, SD 0.03; n.s.).