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Psychometrika

, Volume 15, Issue 1, pp 17–24 | Cite as

The calculation of sums of squares for interactions in the analysis of variance

  • Allen L. Edwards
  • Paul Horst
Article

Abstract

A method is described for the calculation of the sum of squares for a second-order interaction. It is then shown that the method is general and can be used for the calculation of the sum of squares for any higher-order interaction.

Keywords

Public Policy Statistical Theory 
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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References

  1. 1.
    Goulden, C. H. Methods of statistical analysis. New York: Wiley, 1939.Google Scholar
  2. 2.
    Lindquist, E. F. Statistical analysis in educational research. Boston: Houghton Mifflin, 1940.Google Scholar
  3. 3.
    McNemar, Q. Psychological statistics. New York: Wiley, 1949.Google Scholar
  4. 4.
    Snedecor, G. W. Statistical methods (4th ed.). Ames, Iowa: Iowa State College Press, 1946.Google Scholar

Copyright information

© Psychometric Society 1950

Authors and Affiliations

  • Allen L. Edwards
    • 1
  • Paul Horst
    • 1
  1. 1.The University of WashingtonUSA

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