highly significantp < .001
For both ERs and RTs, the GEE showed highly significant main effects of Age Bin (χ 2 = 674, p < .001; χ 2 = 1081, p < .001) and Trial Type (χ 2 = 551, p < .001; χ 2 = 37, p < .001), and Age Bin*Trial Type interaction (χ 2 = 28; p < .001; χ 2 = 63; p < .001).