“…Sample demographic characteristics are summarized in Table 1. Studies generally used correlational, crosssectional designs (90% of included samples), with a small number of studies employing experimental/intervention (1% of samples; Unite, 2014; Verbruggen & Sels, 2008) or longitudinal/predictive designs with follow-up periods ranging from 3-18 months (9% of samples; Dries, 2015;Fleisher, Khapova, & Jansen, 2014;Galais & Moser, 2009;Gubler et al, 2014a;Herrmann, 2013;Lo Presti, 2008;McArdle, Waters, Briscoe, & Hall, 2007;Ng & Feldman, 2015;Supeli & Creed, 2016;Vansteenkiste, Verbruggen, & Sels, 2016;Woo & Porter, 2017). Table 2 lists construct definitions and example scales.…”