As new communications media have developed, discussion of the definition of "distance education" (DE) has increased. The following defining features of DE have been proposed: geographically remote, two-way communication; use of one or more technical media; mass delivery; control of educational institution; and predominance of independent…

Studies of self-directed learning (SDL) have generally concentrated on who self-directed learners are and what/how they learn. In 1980, Gibbons et al. used biographies of 20 "expert" self-directed learners to explore the principles and determinants of SDL. Tough (1967), Guglielmino (1977), and Spear and Mocker (1984) have respectively…

The determinants of self-directed learning (SDL) among professionals of high attainment were examined through open-ended, semidirected interviews with a purposeful sample of eight professional men and women who have acquired identifiable, high-level professional knowledge/skills typically taught in postsecondary learning institutions without ever…