1. Analyzing sequential categorical data on dyadic interaction: A comment on Gottman.
2. 4W. L. Barry , Conflict in marriage: A study of the interactions of newlywed couples in experimentally induced conflicts , Unpublished doctoral dissertation, University of Michigan, Ann Arbor, University Microfilms, 68 , 273 , 1968 .
3. 5M. B. Bashford , An assessment of direct and observational communication training as marital quasi-therapy . Unpublished doctoral dissertation, Ohio State University, 1977 .