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 

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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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