Table 2.
Reliability Coefficients (α) for the MEWS as Compared With the INN, HI, EL, and IMP Rating Scales.
| Study 1 | Time 1 |
Time 2 |
||||
|---|---|---|---|---|---|---|
| Whole sample | Cases | Controls | Whole sample | Cases | Controls | |
| MEWS | .97 | .93 | .95 | .96 | .94 | .93 |
| INN | .96 | .83 | .80 | .96 | .92 | .82 |
| HI | .95 | .88 | .78 | .92 | .88 | .76 |
| EL | .96 | .91 | .95 | .96 | .91 | .96 |
| IMP | .98 | .96 | .96 | .97 | .88 | .98 |
| Study 2 | Time 1 |
Time 2 |
Time 3 |
|||
| Whole sample | Cases | Controls | Cases | Cases | ||
| MEWS | .96 | .91 | .90 | .94 | .95 | |
| INN | .96 | .85 | .82 | .91 | .98 | |
| HI | .93 | .83 | .75 | .87 | .99 | |
| EL | .95 | .92 | .87 | .91 | .93 | |
| IMP | .98 | .98 | .86 | .98 | .97 | |
Note. MEWS = Mind Excessively Wandering Scale; INN = inattention; HI = hyperactivity/impulsivity; EL = emotional lability; IMP = impairment.