“…■ research based on self-report from participants and their managers using diverse samples and data-collection methodologies (e.g., Bush, 2005;B. L. Davis & Petchenik, 1998;Kombarakaran, Yang, Baker, & Fernandes, 2008;Leedham, 2005;Seamons, 2006;Thompson, 1986;Wasylyshyn, 2003;Wasylyshyn, Gronsky, & Haas, 2006); ■ individual case studies (e.g., Blattner, 2005;Diedrich, 1996;Hunt, 2003;Kiel, Rimmer, Williams, & Doyle, 1996;Kralj, 2001;Libri & Kemp, 2006;Natale & Diamante, 2005;Orenstein, 2006;Peterson, 1996;Peterson & Millier, 2005;Schnell, 2005;Tobias, 1996;Wasylyshyn, 2005;Winum, 2005); ■ organizational case studies, dozens of which are described in books by Clutterbuck and Megginson (2005), Hunt and Weintraub (2007), and Jarvis et al (2006); ■ surveys of organizational purchasers of coaching (Dagley, 2006;Leedham, 2005;McDermott, Levenson, & Newton, 2007);…”