A Monte Carlo examination of external unfolding
1989
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A Monte Carlo examination of external unfolding
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1989
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Abstract
Monte carlo techniques were used to examine
regression approaches to external unfolding. The present
analysis examined the technique to determine if
various characteristics of the points are recovered
(such as ideal points). Characteristics of the situations
were manipulated, including number of stimuli, error
level, and measurement level. Generally, monotonic
analyses resulted in good recovery. Recovery was
poor when the data were generated by a weighted Euclidean
process. Negative weights were commonly encountered,
apparently due to error in the data. In this
approach, estimation is done by statistical techniques,
and some statistical concerns should be taken into account
when examining the results. Index terms: external
unfolding, monte carlo simulation, multidimensional
scaling, nonmetric methods, parameter
estimation, unfolding.
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Thompson, Paul. (1989). A Monte Carlo examination of external unfolding. Applied Psychological Measurement, 13, 167-175. doi:10.1177/014662168901300207
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Thompson, Paul. (1989). A Monte Carlo examination of external unfolding. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/107290.
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