“…Cowan et al relationship between the parents, especially in their reciprocal exchange of negative emotions as they try to resolve differences between them (Katz & Gottman, 1993) or as they work and play together with their child as co-parents (McHale, Khazan, Erera, Rotman, DeCourcey, & McConnell, 2002). The extensive research literature on marital quality, parent-child relationship quality, and children's adaptation has been summarized by a number of authors who find that high, unresolved marital conflict between parents is associated with negative indicators of development in their children and adolescents (Cowan & Cowan, 2006;Cox, Paley, & Harter, 2001;Cummings & Davies, 1994;McHale, Kazali, Rotman, Talbot, Carleton, & Lieberson, 2004;Pruett, Insabella, & Gustafson, 2005). Furthermore, there is strong support for a spillover hypothesis: that marital difficulties tend to color the quality of the relationship between each parent and the child (Lindahl, Clements, & Markman, 1997, p. 385).…”