1. Clark, David L.; Guba, Egon G.; Smith, Gerald R. “Functions and Definitions of Functions of a Research Proposal or Research Report,” Ohio State University, Columbus, 1962 (mimeographed).
2. Gephart, William J., Development of an Instrument for Evaluation of Educational Research Reports, unpublished doctoral dissertation, Ohio State University, Columbus, 1965.
3. A Method for Evaluating Research Articles in Education