Psychometrika

, Volume 51, Issue 3, pp 475–478 | Cite as

On the reliability of the extreme score

  • Huynh Huynh
Notes And Comments

Abstract

Under the assumption of normality, a formula is derived for the reliability of the maximum score. It is shown that the maximum score is more reliable than each of the single observations, but less reliable than their composite score.

Key words

reliability extreme score 

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References

  1. Feldt, L. S. (1965). The approximate sampling distribution of Kuder-Richardson reliability coefficient twenty.Psychometrika, 30, 357–370.Google Scholar
  2. Lord, F. M., & Novick, M. R. (1968).Statistical theories for mental test scores. Reading, MA: Addison-Wesley.Google Scholar
  3. Ruben, H. (1954). On the moments of order statistics in samples from normal populations.Biometrika, 41, 200–227.Google Scholar

Copyright information

© The Psychometric Society 1986

Authors and Affiliations

  • Huynh Huynh
    • 1
  1. 1.College of EducationUniversity of South CarolinaColumbia

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