This study of students at the University of Tampere (Finland) analyzes how changes in relevance criteria are related to changes in problem stages during the task performance process in information retrieval. Provides a conceptual framework, including Kuhlthau's information search process model and prior knowledge; and compares bibliographic…

Discusses the importance of oral tradition in African culture; describes efforts to collect, organize, and disseminate oral tradition; and highlights associated problems. It is concluded that librarians in Africa should place greater emphasis on oral tradition as a supplement to documentary sources. (18 references) (MES)