In view of the growing interest on teaching machines and programmed instruction among teachers, the organization committee of this Fifth Annual Convention has chosen problems of teaching machines as the topic of the proposed research. Sukezo Nakano of Tokyo University of Education and Hiroshi Azuma of Japan Women's University were appointed to present reports at the general session which was held in the afternoon of July14. Azuma was responsible for the first report, and Nakano was responsible for the second. Followings are the abstracts of the reports.