This exposition examines testing of Rogers's theoretical constructs in the unitary man model, reflecting upon one published research article. It addresses two critical points of importance: (1) adequacy and appropriateness of the logic used to derive the research hypotheses; and (2) appropriateness of the research methodology used to test Rogers's model. This analysis indicates that interpretations of the principles of homeodynamics require a careful attention to the model's basic premise of evolution, noncausality, and probability. Operationalization of concepts for an empirical testing of the theory also requires an adherence to the basic premise of wholeness, that is, the unitary nature of human field. It also points out a serious shortcoming in the inferential power of research findings from animal studies for explanations of human phenomena within the context of Rogers's model.
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