approaching significancep = 0.064
The ANOVA on these retention scores revealed that there was a significant main effect of age, F (1, 30) = 7.362, p = 0.011, η 2 = 0.11; a main effect of condition only approaching significance, F (1, 30) = 3.697, p = 0.064, η 2 = 0.05, suggesting marginally higher identification scores in the without book condition; and no significant main effect of session, F (1, 30) = 0.013, p = 0.909, η 2 < 0.001.