RothkopfE. Z.A measure of stimulus similarity and errors in some paired-associate learning tasks. J. exp. Psychol., 1957, 53, 94–101.
8.
SabehR.Shape discrimination as a function of area and luminance. In FinchG. S.CameronF. (Eds.), Symposium on Air Force human engineering, personnel and training research. Washington, D. C.: National Academy of Sciences, National Research Council, 1956. Pp. 236–243.
9.
SpenceK. W.Behavior theory and conditioning. New Haven: Yale Univer. Press, 1956.