John A. Swets (19 June 1928 – 6 July 2016) was an American psychologist. He played a key role in the adaptation of signal detection theory first to the psychology of perceptionSwets, J.A. (1964) Signal detection and recognition by human observers. Contemporary readings. Wiley, New York.Green, D.M. & Swets, J. A. (1966) Signal detection theory and psychophysics. Wiley, New York. and later as a central tool in medical diagnostics.Swets, J.A. (1996) Signal detection theory and ROC analysis in psychology and diagnostics. Collected papers. Hillsdale, New Jersey. He was a member of the National Academy of Sciences.

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Further reading

John A. Swets: Tulips to Thresholds. Peninsula Publishing, Los Altos Hills, California. 2010.