Optimal Analysis of Qualitative Data with Illustrations

Shizuhiko Nishisato graduated from Hokkaido University (BA, MA) in Japan, and obtained his PhD from the University of North Carolina, USA. His first position was at McGill University, Montreal, Canada in 1966. After that, he moved to the Ontario Institute for Studies in Education, the University of Toronto, Canada, to teach, where he also served as Chair of the Department of Measurement and Evaluation from 1971-1976. In 2000, he retired as Professor Emeritus. He served as the Editor of Psychometrika (1991-95), President of the Psychometric Society, and a Fellow of both the American Statistical Association and the Japanese Classification Society. His numerous awards include that of the Distinguished Alumnus from the Psychology Alumni Association of the University of North Carolina. His specialty is quantification theory, in particular “dual scaling”. He published 9 books before his retirement and 9 books after retirement. In 2023, he published a Festschrift, entitled “Analysis of Categorical Data from Historical Perspectives: Essays in Honour of Shizuhiko Nishisato” (edited by Beh, Lombardo and Clavel).