Taking the error term of the factor model into account: the factor score predictor interval created by André Beauducel
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Item type | Current library | Call number | Vol info | Copy number | Status | Notes | Date due | Barcode | |
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Main Library - Special Collections | BF39 APP (Browse shelf(Opens below)) | Vol. 37, No. 4 pages 289-303 | SP17304 | Not for loan | For in-house use only |
The problem of factor score indeterminacy implies that the factor and the error scores cannot be completely disentangled in the factor model. It is therefore proposed to compute Harman’s factor score predictor that contains an additive combination of factor and error variance. This additive combination is discussed in the framework of classical test theory. On this basis, a definition of reliability, standard error of measurement, and confidence intervals for the factor score predictor are proposed. It is argued that factor score predictor intervals should be used instead of single score predictors to account for the error term in the factor model. The calculation of reliabilities and factor score predictor intervals is illustrated by means of a small simulation study and an empirical example.
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