showed a trendp = 0.06
The simple main effect of test time showed that the cognitive training group significantly improved on executive control, F (1,66) = 28.57, p < 0.001, η p 2 = 0.30, the active control group showed a trend of improvement, F (1,66) = 3.61, p = 0.06, η p 2 = 0.05, and the waitlist group did not show any improvement ( p = 0.84).