“…; however, to date, empirical efforts to understand normal and abnormal development of individuals have focused predominantly on the first several decades of lifẽ Cummings, Davies, & Campbell, 2000;Wakefield, 1997!. Conversely, because family systems theorists conceptualize the marital subsystem as the cornerstone of family functioning, a primary concern has been achieving an understanding of adult adaptation and maladaptation~Rossman, 1986!. Furthermore, whereas a developmental psychopathology perspective requires consideration of broad developmental periods~e.g., months, years, or decades!, family systems theorists are often more concerned with current family dynamics than the functioning of the family over relatively long periods of timẽ Rothbaum, Rosen, Ujie, & Uchida, 2002!. At a methodological level, developmental psychopathology and family systems approaches also are rooted in different methods of justification. Family systems scholars commonly utilize case studies and qualitative meth-ods for testing hypotheses derived from conceptual models~e.g., Byng-Hall, 1999;Minuchin, 1985;Rothbaum et al, 2002!.…”