Testing intraclass correlation coefficients

Khatri, C. G. ; Pukkila, T. M. ; Radhakrishna Rao, C. (1989) Testing intraclass correlation coefficients Communications in Statistics - Simulation and Computation, 18 (1). pp. 15-30. ISSN 0361-0918

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/0361091...

Related URL: http://dx.doi.org/10.1080/03610918908812745


One-sided, two-sided unbiased and likelihood ratio tests for testing the equality of intraclass correlations for two multivariate normal populations are studied in detail in respect of the computational methods for constructing tables of critical values. By simulations it is shown that the likelihood ratio test for testing the equality of two intraclass correlations for unequal p1 and p2 variates normal populations depends on the nuisance parameter ρ, the common intraclass correlation under H0 when the sample sizes are small. The one degree of freedom chisquare approximation to the likelihood ratio test statistic is sufficiently accurate for all values of ρ when sample sizes are over 20, and could be used in practice even in small samples although it overestimates significance.

Item Type:Article
Source:Copyright of this article belongs to Taylor and Francis Group.
Keywords:Intraclass Correlation; One Sided; Two Sided Unbiased; Likelihood Ratio
ID Code:71865
Deposited On:28 Nov 2011 04:15
Last Modified:28 Nov 2011 04:15

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