This paper addresses the issue of the knowledge gap between evaluators and the entity being evaluated: the dilemma of the knowledge of professional evaluators vs. the in-depth knowledge of the evaluated subjects. In order to optimize evaluative outcomes, the author suggests an approach based on ideas borrowed from the science of cybernetics as a…

Some of the major issues related to planning evaluations of federal human services national demonstration programs are discussed. Barriers to conducting evaluations are discussed for the policy level and cross-site and within-site evaluation contexts. Among the proposed solutions is the use of an explicit programmatic developmental sequence. (SLD)