a nonsignificant trendp = 0.118
Delayed mean repeat quiz scores revealed a nonsignificant trend toward improved retention: Group A (N = 10, mean = 6.20 ± 1.93), Group B (N = 12, mean = 5.58 ± 2.07), and Group C (N = 11, mean = 4.36 ± 2.01) (p = 0.118) (Table 2 and Figure 2 ).