Table 5. Descriptive Statistics for PCs Who Scored More than One Standard Deviation Below the Mean on the CELF-4, PCs Who Scored Above this Cutoff, and TDs.
| PC below CELF-4 cutoff (n=5) | PC above CELF-4 cutoff (n=11) | TD (n=24) | ||||
|---|---|---|---|---|---|---|
|
| ||||||
| Mean | SD | Mean | SD | Mean | SD | |
| Irregular Verb Grammaticality Judgment (A') | ||||||
| Omission Errors | .94 | .08 | .94 | .04 | .96 | .04 |
| Regularization Errors | .78 | .07 | .74 | .27 | .86 | .19 |
| BE-DO Grammaticality Judgment (A') | ||||||
| BE Omission Errors | .85 | .27 | .91 | .07 | .95 | .05 |
| DO Omission Errors | .92 | .10 | .86 | .15 | .97 | .03 |
| BE Overt Agreement Errors | .81 | .19 | .87 | .12 | .93 | .08 |
| DO Overt Agreement Errors | .78 | .18 | .68 | .32 | .93 | .06 |
| Finiteness Elicitation Task (Proportion Correct) | ||||||
| Plurals | .98 | .05 | 1.00 | 0 | 1.00 | 0 |
| 3rd Person Singular Present Tense | .96 | .06 | .93 | .21 | .98 | .04 |
| Regular Past Tense | .94 | .06 | .94 | .06 | .99 | .03 |
| Irregular Past Tense | .85 | .10 | .82 | .18 | .93 | .14 |