“…This interval is similar to that used in other studies that assess test-retest stability of risk-taking or behavior, including test-retest assessment of measures of physical activity (14 days; Hardy et al, 2007; 22 days; Yore et al, 2007); compulsive exercise (14 days; Griffiths et al, 2005); sexual risk behavior (6 days; Troped et al, 2007; 17 days, Schrimshaw et al, 2006; 21 days, Hearn et al, 2003), smoking and drinking behavior (14 days; Chor et al, 2003; 2–30 days; Bell et al, 2003); HIV risk behavior (6–11 days; Fry & Lintzeris, 2003; 30 days, Sherman et al, 2003); risky drug behavior (7 days; Hubley et al, 2005); and substance use, abuse, and suicidality (8 days; Shaffer et al, 2004; 10–14 days, Flisher et al, 2004). …”