The list below is not meant to be exhaustive. We've chosen to include primarily those books and journal articles that were particularly formative during the early stages of project development.
by C. Richard Snyder, Betsy Hoza, William E. Pelham, Michael Rapoff, Leanne Ware, Michael Danovsky, Lori Highberger, Howard Ribinstein, and Kandy J. Stahl
Journal of Pediatric Psychology (Vol. 22, Issue 3, pp. 399–421)1997