1. Davenport, G. G. 1976. “The Effects of Lessons’ Signal Systems Upon the Duration and Spread of Deviancy.”. Wayne State University. Doctoral dissertation
2. Doyle, P. H. 1975. “‘The Efficacy of the Ecological Model: A Study of the Impact of Activity Settings on the Social Behavior of Preschool Children.”. Wayne State University. Doctoral dissertation
3. Fisk, W. T. 1975. “An Ecological Study of Imitation in Preschool Children”. Wayne State University. Doctoral dissertation
4. Houseman, J. A. 1972. “An Ecological Study of Interpersonal Conflicts among Preschool Children.”. Wayne State University. Doctoral dissertation
5. Signal systems of lesson settings and the task-related behavior of preschool children.