Table 14.
Fitting results from logistic regression on each of the English phonological error patterns for bilingual speakers.
| Measure | Estimate | SE | z | p | Cutoff |
|---|---|---|---|---|---|
| CD | 0.5780 | 0.4248 | 1.3606 | .1736 | 0.00 |
| CR | 0.2275 | 0.0966 | 2.3538 | .0186 | 9.30 |
| ICD | 0.4574 | 0.2975 | 1.5377 | .1241 | 0.00 |
| FCD | 0.1894 | 0.1213 | 1.5613 | .1185 | 0.00 |
| Gliding | 0.0589 | 0.0366 | 1.6115 | .1071 | 0.00 |
| Stopping | 0.1746 | 0.1081 | 1.6147 | .1064 | 11.11 |
| Backing | 0.5594 | 0.2393 | 2.3379 | .0194 | 4.62 |
| Fronting | 0.4270 | 0.2786 | 1.5326 | .1254 | 1.54 |
| Final devoicing | 0.0233 | 0.0224 | 1.0399 | .2984 | 0.00 |
Note. The cutoff is the optimal value for each measure that can be used to achieve the maximum sum of sensitivity and specificity in diagnosis. CD = cluster deletion; CR = cluster reduction; ICD = initial consonant deletion; FCD = final consonant deletion.