“…Numerous programs around the world now emphasize a verbal behavior component as a critical ingredient to their treatment regimen. Furthermore, research on teaching manding, tacting, echoic, and intraverbal behavior, as well as powerful but subtle variables such as automatic reinforcement, is also becoming more common, although still largely restricted to journals devoted to publishing behavior analytic work (e.g., Hernandez, Hanley, ingvarsson, & tiger, 2007;lerman, Parton, Addison, Vorndran, Volkert, & Kodak, 2005;Miguel, Petursdorrit, & carr, 2005;Wallace, iwata, & Hanley, 2006;Wright, 2006;Yi, christian, Vittimberga, & lowenkron, 2006). Moreover, a number of books based in large part on Skinner's analysis are now on the market (e.g., Greer & ross, 2008).…”