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Psychometrika

, Volume 6, Issue 3, pp 205–208 | Cite as

A note on the discovery of ag factor by means of Thurstone's centroid method of analysis

  • J. P. Guilford
Article

Abstract

A fictitious factor matrix including 16 tests and 3 factors, one of which was ag factor, was prescribed. From it two typical factor problems, including errors of sampling, were derived. Students in training, without awareness of the factor patterns, arrived at essentially correct solutions by the use of Thurstone's centroid method with rotation of axes. Errors in the calculated factor matrix were very close in size to the sampling errors in the correlation coefficients. It is concluded that ag factor need not escape detection by Thurstone's procedures if the criteria of complete simple structure are not demanded.

Keywords

Latent Root Factor Matrix Test Vector Factor Problem Factor Pattern 
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 1941

Authors and Affiliations

  • J. P. Guilford
    • 1
  1. 1.University of Southern CaliforniaUSA

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