Table 4.
Percentage of MCI sample that displayed smaller-than-expected, expected, or greater-than-expected variance based on standardized regression-based methodology when using different standard error methods
| Variance | ||||
|---|---|---|---|---|
| Smaller-than expected | Expected | Greater than expected | p value | |
| HVLT-R Total Recall using SEest | 14.0 | 85.3 | 0.7 | 0.99 |
| HVLT-R Total Recall using SEpred | 14.0 | 85.3 | 0.7 | |
| HVLT-R delayed recall using SEest | 29.4 | 70.6 | 0.0 | 0.99 |
| HVLT-R delayed recall using SEpred | 29.4 | 70.6 | 0.0 | |
Note: MCI = mild cognitive impairment; HVLT-R = Hopkins Verbal Learning Test—Revised; SEest = standard error of the estimate using McSweeny et al.’s (1993) equation; SEpred = standard error for prediction of regression using Crawford and Howell’s (1998) equation; p value = significance of chi square tests comparing observed distributions of smaller-than-expected, expected, and greater-than-expected variance for HVLT-R subtests when using z scores calculated with the SEest versus SEpred.