As is the case in all the dissertations and theses considered in this book, we have only been able to draw on a very small part of Gilbert's overall research and we have concentrated on the quality of his planning and preparation, which we consider to be very sound. If these stages are hurried and the selection of methods made too soon, the conclusions are likely to be questionable. He worked within the limits of his time, expertise and environment though, like many another researcher, was disappointed not to be able to do all he would have hoped. His conclusions and recommendations remain confidential to his polytechnic but even though they remain unpublished, they made a valuable contribution to the polytechnic's information base. At a personal level, the process of completing the dissertation enabled him to learn a great deal about doing research and about his researched topic. However, not everything had gone entirely according to plan. It would perhaps have been remarkable if it had. Like many other part-time adult students, he had other commitments, not least the demands of a full-time job.
He was studying at a distance (a very great distance in fact) which sometimes caused communication problems and he experienced some difficulty in gaining access to relevant literature, particularly journal articles. Generally, academic library provision