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Original Articles

A Priori Contrasts under Conditions of Variance Heterogeneity

Pages 42-45 | Published online: 28 Jan 2015

References

  • Howell, J. F., & Games, P. A. The robustness of the analysis of variance and the Tukey WSD test under various patterns of heterogeneous variances. Journal of Experimental Education, 1973, 41, (4), 33–37.
  • James, G. S. The comparison of several groups of observations when the ratios of the population variances are unknown. Biometrika, 1951, 38, 324–329.
  • Kohr, R. L., & Games, P. A. Robustness of the analysis of variance, the Welch procedure and a Box procedure to heterogeneous variances. Journal of Experimental Education, 1974, 43, (1), 61–65.
  • Welch, B. L. The significance of the difference between two means when the population variances are unequal. Biometrika, 1938, 29, 470–362.
  • Welch, B. L. The generalization of Student’s problem when several different population variances are involved. Biometrika, 1947, 54, 28–47.
  • Welch, B. L. On the comparison of several mean values. Biometrika, 1951, 38, 330–336.
  • Winer, B. J. Statistical principles in experimental design. New York: McGraw-Hill, 1971.

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