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. 2014 May;135(5):2952–2963. doi: 10.1121/1.4869820

TABLE III.

Results are shown for the model of the perceived clarity of children's speech. a

Model: Clarity, Adjusted R2 = 0.47 β t p
(Constant)   −2.80 0.007
Age in months 0.50 4.45 0.000
Utterance length −0.33 −2.60 0.012
Articulation rate 0.44 3.25 0.002
a

Dependent variable: Clarity ratings for each speaker averaged across utterances, listeners, and tasks.