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# CHOICE THEORY APPROXIMATIONS TO SIGNAL DETECTION THEORY

DOI link for CHOICE THEORY APPROXIMATIONS TO SIGNAL DETECTION THEORY

CHOICE THEORY APPROXIMATIONS TO SIGNAL DETECTION THEORY book

# CHOICE THEORY APPROXIMATIONS TO SIGNAL DETECTION THEORY

DOI link for CHOICE THEORY APPROXIMATIONS TO SIGNAL DETECTION THEORY

CHOICE THEORY APPROXIMATIONS TO SIGNAL DETECTION THEORY book

## ABSTRACT

Signal detection theory is not the only theory concerned with the measurement of sensitivity and response bias. Luce (1959, 1963) has presented his choice theory, which resembles detection theory in many ways. There is some controversy as to which of these two points of view is the most appropriate for application to psychological problems, but we will not be concerned with this matter here. The fact is that choice theory and detection theory have marked similarities, so much so that in some cases the one can be used as an approximation to the other. Choice theory can be applied to some types of experimental task which detection theory cannot and provides another useful tool for the experimenter interested in sensitivity and bias problems. This close resemblance between the two theories has been exploited by Broadbent (1967), Broadbent and Gregory (1967) and Ingleby (1968). This chapter is concerned with explaining Broadbent's and Ingleby's methods of using choice theory as a way of gathering information about sensitivity and bias in experimental situations which do not involve the use of recognition tests.