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Computer Programs2
Multidimensional Scaling2
Psychometrics2
Hypothesis Testing1
Rating Scales1
Statistical Analysis1
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Psychometrika2
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Young, Forrest W.2
Null, Cynthia H.1
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Three Notes on ALSCAL.
Peer reviewed Peer reviewed
Young, Forrest W.; And Others – Psychometrika, 1978
For the ALSCAL multidimensional scaling computer program, it is reported that (1) a new coordinate estimation routine is superior to the original; (2) an oversight in the interval measurement level case has been found and corrected; and (3) a new initial configuration routine is also superior to the original. (Author/JKS)
Descriptors: Computer Programs, Multidimensional Scaling, Psychometrics, Rating Scales
Multidimensional Scaling of Nominal Data: The Recovery of Metric Information with ALSCAL.
Peer reviewed Peer reviewed
Young, Forrest W.; Null, Cynthia H. – Psychometrika, 1978
Multidimensional scaling has recently been enhanced so that data defined at only the nominal level of measurement can be analyzed. The efficacy of ALSCAL, an individual differences multidimensional scaling program which can analyze nominal, ordinal, interval and ratio data is presented. (Author/JKS)
Descriptors: Computer Programs, Hypothesis Testing, Multidimensional Scaling, Psychometrics