“…Various publications attempt to explore which factors determine partnership performance and postpartum satisfaction (Berman and Pedersen, 1987;Eggebeen and Knoester, 2001;Newman and Newman, 1988;Palkovitz and Copes, 1988;Watson et al, 1995;Werneck, 1997), changes in gender role identity (Feldman and Aschenbrenner, 1983;Feldman and Nash, 1984 ), or the involvement of fathers in parental tasks, respectively (Fox and Bruce, 2001;Geerster and Gallagher, 2001;Krampe and Fairweather, 1993;Rettig et al, 1999). In the latter field, the current discourse on so-called 'New Fathers' plays a significant role (Bronstein and Cowan, 1988;Burgess, 1997;Griswold, 1999;Hall, 1993;LaRossa, 1997LaRossa, , 1988Lempp, 1989;McQuillan and Belle, 2001;Werneck, 1998).…”