1. Contract grading is not a new idea in education. The concept seems to have first become popular in the early 193 O' (in fact, the January 1929-June 1932 issue ofThe Education Indexlists a total of 26 articles under the heading of “Contract Plan”). InBibliography of Research Studies in Business Education 1920–1940, one master' thesis was reported: Bell, Ruth Annette,Plans for a Weekly Contract Course for Advanced Typewriting Students.Master' thesis, Cornell, 1933, 313 p. ms., U.S. Office of Education Bibliography of Research Studies in Education, Bulletin 1934, no. 1859.
2. Mager , Robert F. 1962. Preparing Instructional Objectives, 60Palo Alto, California: Fearon Publishers.