dprime.oddity {psyphy} | R Documentation |
Calculate d' for a 3 stimulus (triangular) paradigm. Two of the stimuli are the same and the observer must designate the stimulus that is different.
dprime.oddity(Pc.tri)
Pc.tri |
numeric in (1/3, 1). The proportion of correct responses for an unbiased observer. |
Returns the value of d'
Kenneth Knoblauch
Frijters, G. S., Kooistra, A. and Verijken, P. F. G. (1980) Tables of d' for the triangular method and the 3-AFC signal detection procedure. Perception & Psychophysics, 27, 176–178.
MacMillan, N. A. and Creeman, C. D. (1991) Detection Theory: A User's Guide Cambridge University Press
Green, D. M. and Swets, J. A. (1966) Signal Detection Theory and Psychophysics Robert E. Krieger Publishing Company
dprime.mAFC
, dprime.SD
,
dprime.ABX
dprime.oddity(0.8)