 In summary, the EMA survey used in the test phase of this study will include eleven items assessing momentary activity 1 Dunton et al., 2012; self-efficacy 1 McAuley, 1993, general self-worth 1 Messer Harter, 1986; knowledge 2, emotional 2, and social 2 self-worth Huberty et al., 2013; and physical self-worth 2 Fox Corbin, 1989. 