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A note on testing the nullity of the between group variance in the one-way random effects model under variance heterogeneity

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  • Dog-super-˜an Argac
  • Kepher Makambi
  • Joachim Hartung

Abstract

In an unbalanced and heteroscedastic one-way random effects model, we compare, by way of simulation, several test statistics for testing the null hypothesis that the variance of the random effects, also named the between group variance, is zero. These tests are the classical F-test, the test proposed by Jeyaratnam & Othman, the Welch test, and a modified version of Welch's test.

Suggested Citation

  • Dog-super-˜an Argac & Kepher Makambi & Joachim Hartung, 2001. "A note on testing the nullity of the between group variance in the one-way random effects model under variance heterogeneity," Journal of Applied Statistics, Taylor & Francis Journals, vol. 28(2), pages 215-222.
    • Handle: RePEc:taf:japsta:v:28:y:2001:i:2:p:215-222
    DOI: 10.1080/02664760020016118
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    References listed on IDEAS

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    1. Böckenhoff, Annette & Hartung, Joachim, 1998. "Some corrections of the significance level in meta-analysis," Technical Reports 1998,23, Technische Universität Dortmund, Sonderforschungsbereich 475: Komplexitätsreduktion in multivariaten Datenstrukturen.
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