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. Author manuscript; available in PMC: 2012 Jun 29.
Published in final edited form as: J Speech Lang Hear Res. 2010 Mar 10;53(5):1075–1086. doi: 10.1044/1092-4388(2010/09-0250)

Table 4.

Squared multiple correlation (R2) and adjusted R2 values for the best single predictor variable and two- and three- variable models for predicting intelligibility scores.

Predictor Variables R2 Adjusted R2
Single Variable: TTC 0.24 0.22
Two-variable Model: IC and CC 0.28 0.24
Three-variable Model: TTC, FC, and CC 0.31 0.25