Application of Pupil Response to Before-and-After Experiments

Eckhard H. Hess , and Polt James M. , “Pupil Size as Related to Interest Value of Visual Stimuli,” Science, 132 (August 1960), 349–50.

Eckhard H. Hess , “Pupillometrics,” Unpublished paper, Graduate Department of Psychology, University of Chicago, 1966; The Handbook of Psychophysiology, Greenfield and Sternback, ed., New York: Holt, Rinehart and Winston, Inc. (forthcoming).

Eckhard H. Hess , “Attitudes and Pupil Size,” Scientific American, 212 (April 1965), 3–10.

Herbert E. Krugman , “Some Applications of Pupil Measurement,” Journal of Marketing Research (November 1964), 15–9.