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Scatter plot of natural log-transformed hair cortisol concentration with a) parental harshness from 1–15 years (mean of z-scored parental harshness from 1, 3, 5, 9, and 15 years), and b) natural log-transformed (due to skewness) parental disengagement from 1–15 years (mean of z-scored parental disengagement from 1, 3, 5, 9, and 15 years).
