1. Some factors involved in classroom procedures for the acquisition of verbal concepts
2. Kibler, Robert J. “Developing Behavioral Objectives for Undergraduate Speech Instruction.”. unpublished paper presented to the Undergraduate Speech Interest Group at the 1963 Speech Association of America Convention. Denver, Colorado.
3. Mager, Robert F. 1962.Preparing Instructional Objectives, 12San Francisco: Fearon Publishers, Inc.
4. Direct Assessment of Effectiveness of Student Speakers*