FIGURE 12.1 A three-dimensional model of child, preadolescent, and adolescent groups. Source: From “organizing the Child, Preadolescent, and Adolescent Group Literature: A Pragmatic Teaching Tool" by C J. Denholm and M. R Uhlemann, 1986, Journal for Specialists in Group Work,11, p 165. ©ACA. Reprinted with permission. No further reproduction authorized without written permission of the American Counseling Association.