Harry Procter

Kelly’s work was formed and developed in the context of the American philosophical movement known as pragmatism. The major figures to which this tradition is attributed are Charles S. Peirce, William James and John Dewey. In Personal Construct Psychology, Dewey was acknowledged by Kelly and by subsequent writers as perhaps his most important influence. It has recently become increasingly apparent, however that Peirce was a much more pervasive and crucial influence on James and Dewey than has previously been recognized. Kelly did not mention Peirce but a close reading of the two writers reveals a remarkable correspondence and relationship between their two bodies of work. To set these two thinkers side by side proves to be an interesting and productive exercise. In this paper, after introducing Peirce and examining the relationship between him and Dewey, Kelly’s basic philosophical assumptions, as outlined at the beginning of Volume 1 of the Psychology of Personal Constructs, are used as a framework for exploring their similarities and differences. The result is an enrichment of our understanding of Kelly’s philosophy which allows us to make links with many different subsequent thinkers’ ideas and provides a basis for exploring the psychological aspects of the two men’s work. The latter forms the subject of Part II of this series which is in preparation.

Kelly suggested that it was useful to consider anyone as functioning as a scientist, in the business of applying theories, making hypotheses and predictions and testing them out in the practice of everyday life. One of Charles Peirce’s major contributions was to develop the disciplines of logic and the philosophy of science. We can deepen and enrich our understanding of Kelly’s vision by looking at what Peirce has to say about the process of science. For Peirce, the essence of science was the application of the laws of inference. He developed a much broader concept of logic, elaborating the processes of deduction and induction and adding to these the logic of hypothetical inference, or ‘abduction’, even as Kelly broadened it further in his “departure from classical logic”. Examining the implications of these three forms of inference allows us to elaborate the dynamics involved in the process of construing, ordinacy and the cycles of experience, creativity and decision making. This is the second of a three part series examining the relationship between the work of Peirce and Kelly. The third will include a look at phenomenology, bipolarity, the self, dialogical process and sociological considerations.