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Psychometrika

, Volume 9, Issue 4, pp 267–283 | Cite as

“Parallel proportional profiles” and other principles for determining the choice of factors by rotation

  • Raymond B. Cattell
Article

Abstract

The choosing of a set of factors likely to correspond to the real psychological unitary traits in a situation usually reduces to finding a satisfactory rotation in a Thurstone centroid analysis. Seven principles, three of which are new, are described whereby rotation may be determined and/or judged. It is argued that the most fundamental is the principle of “parallel proportional profiles” or “simultaneous simple structure.” A mathematical proof of the uniqueness of determination by this means is attempted and equations are suggested for discovering the unique position.

Keywords

Public Policy Statistical Theory Simple Structure Unique Position Mathematical Proof 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Psychometric Society 1944

Authors and Affiliations

  • Raymond B. Cattell
    • 1
  1. 1.Duke UniversityUSA

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