Because of their efficiency and ability to keep many other factors constant, twin studies have a special appeal for investigators. Just as with any teaching dataset, a "matched-sets" dataset used to illustrate a statistical model should be compelling, still relevant, and valid. Indeed, such a "model dataset" should meet the…

Describes a study that examined three major international library science journals to investigate the nature and trends of library and information science research in Africa from 1990 through 1992. Highlights include status of authors, gender, affiliation, country, types of research, types of cited documents, subjects covered, and most cited…