homoscedasticity

(redirected from Homogeneity of variance)

ho·mo·sced·as·tic·i·ty

(hō'mō-skĕd-as-tis'ĭ-tē),
Constancy of the variance of a measure over the levels of the factor under study.

homoscedasticity

characterized by variances which do not differ greatly between distributions.
References in periodicals archive ?
05; Table 2), and exhibited homogeneity of variance (Bartlett test = 9.
At first, the homogeneity of variance test was conducted that according to the Lavigne statistics and p - amount (0/316) which is greater than 0/05, the null hypothesis is not rejected which means all variances groups are equal.
In this paper, homogeneity of variance test and the proposed diagram Neter and Wasserman 1974 (diagram of remains against independent variables), Both of them are confirmed the accuracy of constant of variance.
The Satterthwaite t-test was preferred because the Folded F test for homogeneity of variance indicated there were differences in variance between bulls and cows ([F.
The homoscedasticity of the sample was examined with Bartlett's homogeneity of variances test.
The errors showed normal distribution by the Lilliefors test, facilitating the use of parametric analyses and homogeneity of variance by the method of Cochram, allowing the application of variance analysis.
15-17) The significance levels were least remarkable at 4 kHz and 6 kHz due to the low power and the violation of homogeneity of variance at 4 kHz.
Homogeneity of variance was tested using the Harrison-McCabe test for heteroskedasticity (Harrison and McCabe 1979).
The assumption of homogeneity of variance was supported for Self-confidence scores, Levene (1, 86) = 1.
Residual plots were examined for possible violation of model assumptions of normality and homogeneity of variance.
Second, ANCOVA assumes homogeneity of variance of dependent variables in the two conditions.