“…There are some indications that early-life stress may increase the correlations between and within traits (i.e. repeatability) (Briffa, 2013;Burton, Killen, Armstrong, & Metcalfe, 2011;Guenther, Groothuis, Krüger, & Goerlich-Jansson, 2018;Han & Dingemanse, 2017;Jenkins, 2011;Merrill & Grindstaff, 2018;Reid, Armstrong, & Metcalfe, 2011;Royauté, Greenlee, Baldwin, & Dochtermann, 2015). Irreversible plasticity generally acts in early life, during (pre-or early postnatal) developmental sensitive periods (Mousseau & Fox, 1998).…”