Memoranda 17 through 21 are included in Volume 8. (The general nature of the memorandum and related documents are described in SO 005 892). Daniel E. Costello offers a selective review of the literature relating to educational decision processes. Tom Deats provides an essay on reflections and comparisons of knowledge utilization in education studies and in pilot study #1. The paper briefly discusses generic conceptual differences and similarities in "problem naming" between pilot study #1 and other studies dealing with information utilization. Next, C. W. Churchman explores statistical methodology of information systems and illustrates the bad fit of traditional evaluation techniques to operational strategies. The memorandum paper by Herbert Menzel, provides a framework for examining the role of communicational channels in the propagation of innovations, calling attention to the diversity of communication institutions that are available for innovation messages, discussing their differentiating characteristics, and considering the relative importance of these channel characteristics changes in the course of time. Lastly, Malcolm S. MacLean, Jr. examines creativity and knowledge utilization. (Author/SJM)