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The variance of the number of mutual choices in sociometry

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Abstract

The variance of the number of mutual dyads in a sociometric situation where each member of a group chooses independently and at random is derived for unrestricted numbers of choices per group member, as well as for a fixed number of choices. The distribution of the number of mutuals is considered.

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References

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Authors and Affiliations

  1. Michigan State University, USA

    Leo Katz

  2. University of New Mexico, USA

    Thurlow R. Wilson

Authors
  1. Leo Katz
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  2. Thurlow R. Wilson
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Additional information

We are indebted to Robert Bush and Hartley Rodgers of Harvard University for helpful criticisms.

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Katz, L., Wilson, T.R. The variance of the number of mutual choices in sociometry. Psychometrika 21, 299–304 (1956). https://doi.org/10.1007/BF02289141

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  • DOI: https://doi.org/10.1007/BF02289141

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