“…Research Network (PRN), examined outcomes associated with outdoor behavioral healthcare interventions and showed effectiveness of specific private pay wilderness therapy programs (DeMille & Burdict, 2015;Gillis, Kivlighan, & Russell, 2016;Hoag, Combs, Roberts, & Logan, 2016;Leichtman & Leichtmen, 2001;Leichtman, Leichtman, Barber, & Neese, 2001;Lewis, 2007;Magle-Haberek, Tucker, & Gass, 2012;Russell, 2000Russell, , 2003aRussell, , 2005Russell, , 2008Russell & Gillis, 2010;Russell & Harper, 2006;Russell & Phillips-Miller, 2002;Russell & Sibthorp, 2004;Tucker, Javorski, Tracy, & Beale, 2013;Tucker, Zelov, & Young, 2011;Young & Gass, 2008, 2010Zakriski, Wright, & Underwood, 2005). To date, only one meta-analysis has been conducted on outcomes for private pay wilderness therapy clients (Bettman, Gillis, Speelman, Parry, & Case, 2016). The results indicate that private-pay wilderness therapy programs show medium sized effects in the areas of self-esteem, locus of control, behavioral changes, personal effectiveness, clinical symptomology, and interpersonal skills.…”