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. Author manuscript; available in PMC: 2009 Nov 3.
Published in final edited form as: Lang Learn Dev. 2008 Apr 1;4(2):122–156. doi: 10.1080/15475440801922115

Table 6.

Hierarchical linear model for English and Japanese /t/ and /t ∫/ consonant accuracy values in lower panel of Figure 6. Significant p-values are in bold.

Coefficient for: Estimate Std. Error t-value df p-value
Intercept −.745 .992 −.751 40 .457
Language(Japanese) −.599 .340 −1.763 40 .085
Consonant(t∫) −3.008 .317 −9.499 41 <.001
Japanese x Consonant(t∫) 2.320 .476 4.873 41 <.001
Vowel(e) −.008 .268 −.031 1100 .975
Vowel(i) .066 .249 .265 1100 .791
Vowel(o) .120 .250 .481 1100 .630
Vowel(u) −.007 .258 −.029 1100 .977
Age .087 .028 3.178 40 .003
Variances Estimate df chi-square p-value
Intercept .343 40 55.834 .049
Consonant .962 41 70.566 .003