“…4 See Cook and Campbell (1979) for an in-depth, philosophical examination of the link between experimentation and the establishment of causality. 5 See for example Boyer, Urlacher, Niv-Solomon, Hudson, Janik, Butler, Brown, Lima, and Ioannou (2009);Boyer, Brown, Butler, Niv-Solomon, Urlacher, Hudson, Johnson, and Lima (2007);Boyer, Brown, Butler, Florea, Hernandez, Johnson, Meng, and Lima (2004);Boyer, Brown, Butler, Florea, Johnson, and Lima (2004); Florea, Boyer, Butler, Hernandez, Weir, Brown, Johnson, Meng, Mayall, and Lima (2003); Torney-Purta (1998); Wilkenfeld and Kaufman (1993); Kraus, Wilkenfeld, Harris, and Blake (1992). 6 The primary exceptions to this delineation are those studies that explicitly focus on the replication of patterns and processes of human interaction for direct social application and ⁄ or those that include human agents as control groups or as subjects in the study as well.…”