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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: J Speech Lang Hear Res. 2014 Oct 1;57(5):1666–1678. doi: 10.1044/2014_JSLHR-S-13-0292

Table 7.

Incremental R2 change results of the multiple linear regression model examining each speech subsystem’s independent contribution to speech intelligibility in children with CP (n=22)

Rank Second block
Speech Subsystem		 R2 changes
with second block speech
subsystem		 R2with
with the remaining two speech
subsystems in the first block)
1 Articulatory Subsystem 0.579 0.279
2 Laryngeal Subsystem 0.088 0.770
3 Velopharyngeal Subsystem 0.008 0.850
Total R2 0.858
Adjusted R2 0.801