“…Other maternity-related variables have been investigated as predictors of sensitivity, which were shown to influence that factor, including the mother's personality (Prinzie, Stams, Dekovic, Reijntjes, & Belsky, 2009), social support and the relation with the child's father (Piccinini, Marin, Alvarenga, Lopes, & Tudge, 2007;Shin et al, 2006), self-esteem (Shin, Park, Ryu, & Seomun, 2008) and identification with the infant (Shin et al, 2008). Finally, it is important to highlight that infant-related variables like irritability or negative affect (Mills-Koonce et al, 2007) for example, or even the child's gender (Thun-Hohenstein et al, 2008), can also influence maternal sensitivity and should be investigated, but go beyond the scope of the present study.…”