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Peer reviewedMacCallum, Robert C. – Psychometrika, 1979
A Monte Carlo study investigated the ability of the ALSCAL multidimensional scaling program to recover true structure inherent in simulated proximity measures when data were missing. The program worked well with up to 60 percent missing data as long as sample size was large and random error was low. (Author/JKS)
Descriptors: Computer Programs, Multidimensional Scaling, Program Effectiveness, Simulation
Peer reviewedGreen, Rex S.; Bentler, Peter M. – Psychometrika, 1979
Two revisions of computer-interactive multidimensional scaling data selection procedures are presented. One revision--based on randomly ordering the list of stimuli--improves the estimates of the multidimensional scaling parameters and the other permits more efficient data designs. (Author/JKS)
Descriptors: Computer Programs, Data Analysis, Multidimensional Scaling, Online Systems
