This review of the literature discusses theories of information with emphasis on the views of Dervin and Popper on subjectivity and objectivity as they relate to information use. Classification and indexing as applied in information retrieval systems and libraries are also discussed, and 78 references are provided. (LRW)

Reviews the research and commentary on individuals' questions and specific reference queries that characterize two general approaches in librarianship and other disciplines: question itself as phenomenon of questioner's behavior, linguistic performance, or cognitive state; interaction between question and answer focusing on appropriateness of…