“…-a series relation (in which A leads to B), which is the characteristic cause-and-effect type relation of classical science (Hall, 2008) -a parallel relation in which two elements are affected by another element (Hall, 2008) -a feedback relation, which describes a situation in which an element influences itself (Hall, 2008) Jamal & Eyre, Jamal & Getz, 1995;Jamal & Getz, 1999;Jamal & McDonald, 2010;Kibicho, 2008;Lapeyre, 2011aLapeyre, , 2011bLapeyre, , 2011cLopez-Guzman et al, 2011;Okazaki, 2008;Reed, 1997;Ruiz-Ballesteros, 2011;Sebele, 2010;K. Simpson, 2001; M. C. Simpson, 2008Simpson, , 2009Spenceley & Goodwin, 2007;Stone & Stone, 2010;Tolkach et al, 2011).…”