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. Author manuscript; available in PMC: 2008 Jun 26.
Published in final edited form as: Int J Lang Commun Disord. 2008 May 3;43(3):346–360. doi: 10.1080/13682820701546813

Table 2. Means and Ranges of Sentence Length and Error Position for All Item Types.

Sentence Type Sentence Length In Words Sentence Position of Error
Mean Range Mean Range
Nontense Omissions
 -ing 10.57 8-12 4.50 3-7
 's 9.07 6-12 4.71 3-8
Tense Intrusions
 -s 8.93 6-12 4.93 3-8
 -ed 8.14 6-11 3.86 3-5
Tense Omissions
 -s 10.14 8-12 7.29 4-10
 -ed 10.71 8-12 5.57 3-8