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Bulcock, Jeffrey W. – 1981
The use of two-stage least squares (2SLS) for the estimation of feedback linkages is inappropriate for nonorthogonal data sets because 2SLS is extremely sensitive to multicollinearity. It is argued that what is needed is use of a different estimating criterion than the least squares criterion. Theoretically the variance normalization criterion has…
Descriptors: Comparative Analysis, Elementary Education, Error of Measurement, Grade 4
