Recurrent education is instruction for men and women who no longer go to school full time. It is also called (36) education or education. Recurrent education includes classes, (37) or online courses, discussion groups, (38) , reading programs, and other (39) learning activities. It does not include such recreation as watching television, though they also may be educational. In the United Sates, about 50 million Americans--more than a fourth of the population--participate in some form of recurrent education. Men and women (40) in some form of recurrent education activities for a variety of reasons. Many take part to improve their job skills--to get new jobs or to (41) in the ones they already have. Some people want to learn such skills as flower arrangement or speed reading to use in their (42) time. Others participate simply for the joy of learning and may not plan to use the knowledge in any (43) way. Many of these people study such subjects as art, literature, and philosophy. (44) . There are many motives for recurrent education. Recurrent education differs in several ways from the education of children. Most s want to learn a skill they can use immediately. Children go to school to learn general skills they will use after they grow up. (45) . For example, a teacher might use more group discussion with a class of s. (46) As a result, education must provide programs that s are interested in.