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Box-and-whisker plots of the relationship between psychological well-being and age of high school graduation (2a) and the acceleration composite (2b) in Study 1. Sample sizes appear below the box. Horizontal lines represent medians; hinges represent the interquartile range (IQR); upper and lower whiskers extend to the furthest point within 1.5 × IQR from the median; all other data points are outliers.
