Second-Order Change in Marriage and Family Therapy: A Web-Based Modified Delphi StudyDavey, M., Duncan, T., Kissil, K., Davey, A., & Stone Fish, L. (2011). Second-order change in marriage and family therapy: A web-based modified Delphi study. The American Journal of Family Therapy, 39, 100-111. http://dx.doi.org/10.1080/01926187.2010.530929
This is a classic study of first and second order change. The authors suggest more clarity is needed about the nature of systemic change.