This post is the second in a series (.htm) in which we argue that meta-analytic means are often meaningless, because these averages (1) include invalid tests of the meta-analytic research question, and (2) aggregate incommensurable results. In each post we showcase examples of (1) and (2) in a different published meta-analysis. We seek out meta-analyses … Continue reading [106] Meaningless Means #2: The Average Effect of Nudging in Academic Publications is 8.7%