“…Thus the focus has shifted to the study of social networks rather than individual relationships (e.g.. Lamb, Ketterlinus & Fracasso, 1993;Lewis, 1987;Parke & Kellam, 1994). In addition, cross-cultural researchers have begun to document varying parenting roles in different socio-ecological niches (e.g., Chisholm, 1983;Hewlett, 1992;Leiderman, Tulkin & Rosenfeld, 1977;Tronick, Morelli & Ivey, 1992;West, 1988;Whiting & Whiting, 1975).…”