摘要:Thomas Corbett is an affiliate of the Institute for Re-search on Poverty, James Dimas and James Fong are senior associates with the Annie E. Casey Foundation's Strategic Consulting Group, and Jennifer L. Noyes is a researcher with IRP and an adjunct fellow with the Hudson Institute. In the Summer 2004 issue of Focus, Jodi Sandfort ad-dressed the recurring question¡ª"Why is human services integration so difficult to achieve." She pointed out that integrated service models are, by their very nature, com-plex, and that "the 'core technologies' of such human service organizations cannot be easily standardized." Rather, the technology of collaborative initiatives, espe-cially those that blend existing, categorical programs, demands that main activities and tasks be "negotiated afresh in the daily interactions between front-line workers and clients