The object of this paper is to present Rasch’s
psychometric model as a special case of additive
conjoint measurement. The connection between
these two areas has been discussed before, but
largely ignored. Because the theory of conjoint
measurement has been formulated deterministically,
there have been some difficulties in its
application. It is pointed out in this paper that the
Rasch model, which is a stochastic model, does not
suffer from this fault. The exposition centers on the
analyses of two data sets, each of which was analyzed
using Rasch scaling methods as well as some
of the methods of conjoint measurement. The
results, using the different procedures, are compared.
Perline, Richard, Wright, Benjamin D & Wainer, Howard. (1979). The Rasch model as additive conjoint measurement. Applied Psychological Measurement, 3, 237-255. doi:10.1177/014662167900300213
Perline, Richard; Wright, Benjamin D.; Wainer, Howard.
The Rasch model as additive conjoint measurement.
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