In terms of ERSP, age, condition and age × condition interaction effects are presented in Figure 3. None of the effects remained significant after FDR was applied. The use of 16 ms by .5 Hz data values may have been overly ambitious, yielding too many omnibus tests and excessive loss of statistical power. Nevertheless, having already examined the data in this way, we felt returning to broader units of frequency and time would have been statistically unsound. We also could have let the previous adult studies of feedback processing guide our window in terms of frequency and time. Previous studies in adults have tended to sum across the theta band (4-7 or 4-8 Hz), allowing visual inspection to guide the time window capturing the theta band for feedback. This would have been at odds with a major goal of this paper, which was to employ an “age sensitive” approach. Thus, here for descriptive purposes we use our uncorrected omnibus tests to guide selection of relevant frequencies and time windows. We acknowledge these analyses are exploratory. Thus, we report effects collapsed
