marginally significantp =.058
However, a significant main effect was observed for IOU ( F = 4.89, p <.05), where IOU scores for instant responses ( M = 4.58, SD = 1.26) were greater than for delayed responses ( M = 3.95, SD = 1.64).Significant main effects of age group were observed for SP ( F = 12.40, p <.001) and IOU ( F = 12.69, p <.001), and a marginally significant effect for SAT ( F = 13.02, p =.058).