did not quite reach significanceP = 0.084
The age difference remained overall [χ 2 1 = 28.61, P < 0.001], and there was a significant retroactive interference effect [χ 2 1 = 34.81, P < 0.001], but the interaction between the two factors did not quite reach significance [χ 2 1 = 2.98, P = 0.084].