“…Seven studies included participants from the United States, one study included participants from Ireland (Armour & Sleath, ), and one study included participants from Australia (McCutcheon et al., ). Most studies had female‐only samples (Cavanaugh, Martins, Petras, & Campbell, ; Cavanaugh et al., ; Golder, Connell, & Sullivan, ; Walsh, Senn, & Carey, ; Young‐Wolff et al., ), or mostly female participants (Armour & Sleath, ; Holt et al., ). One study included only males (Burns, Lagdon, Boyda, & Armour, ), and one study had a relatively balanced gender distribution, and was distinct in that it was conducted with twins (McCutcheon et al., ).…”