In response to the call for researchers to identify components of fami
ly treatment that are common across theoretical approaches (e.g., A. S
. Gurman, 1988), a qualitative analysis was undertaken of an important
change event in family treatment: sustaining engagement (SE). Using R
. C. Bogdan and S. K. Biklen's (1992) modified analytic induction meth
od, a sample was identified of successful SE events-that is, therapeut
ic episodes in which family members move from disengagement with each
other to sustained engagement on a problem-solving task. Videotapes of
33 sessions were scrutinized to develop and refine the operational de
finitions of disengagement and sustained engagement. After two reviewe
rs independently verified the selection of 8 SE events, a qualitative
comparison was conducted of the interpersonal dynamics in the 4 succes
sful versus the 4 unsuccessful events. The resulting conceptual model
of the SE change process is described, followed by suggestions for con
tinued research on this therapeutic event.