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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: J Speech Lang Hear Res. 2010 Jun 11;53(4):933–949. doi: 10.1044/1092-4388(2009/09-0075)
Rare Phonotactic Probability Common Phonotactic Probability
Sparse Dense Sparse Dense
Word Length: Proportion of Words by Number of Syllables
1-Syllable 67% 61% 50% 61%
2-Syllable 33% 39% 50% 39%
Canonical Structure: Proportion of Words for the Most Frequent 1-Syllable Structures
CVC 61% 64% 30% 58%
CCVC 28% 29% 20% 5%
CVCC 6% 0% 20% 26%
Canonical Structure: Proportion of Words for the Most Frequent 2-Syllable Structures
CVCV 22% 44% 30% 25%
CVCVC 33% 11% 30% 17%
CVCCV 22% 11% 20% 25%
Canonical Structure: Proportion of Words with a Cluster by Word Position
Word Initial 19% 30% 15% 10%
Word Final 4% 4% 15% 19%
Age of Consonant Acquisition in Years: Means (and Standard Deviations) by Word Position
Word Initial 4.4
(1.6)
5.0
(1.9)
4.3
(1.8)
3.9
(1.5)
Word Final 4.9
(1.7)
4.9
(1.9)
4.9
(1.8)
5.5
(2.2)

Statistical analysis of all of the above variables failed to detect significant differences across conditions, all Fs < 2.70 and all χ2s < 5.10, all ps > 0.10, all ηp2 s < 0.03.