“…When analyzing the deductive studies (i.e., studies where family-only perpetrators were defined in advance), we initially identified 13 studies using such an approach. However, three of these studies (Berns, Jacobson, & Gottman, 1999; Gottman et al, 1995; Meehan, Holtzworth-Munroe, & Herron, 2001) based their typology on heart rate reactivity, which made them ineligible for the analyses due to that (1) several of the examined variables were psychophysiological, meaning that those studies would be in one category for themselves and, more importantly, (2) they found that this way of subtyping perpetrators was not useful. Of the 10 remaining deductive studies, 9 compared family-only and GV perpetrators, whereas one study (Holtzworth-Munroe, Meehan, Herron, Rehman, & Stuart, 2003) compared several different subtypes.…”