Table 4.
Effect Sizes of Group Differences for Three Versions of the AX Continuous Performance Test
| Error type |
||||
|---|---|---|---|---|
| Trial type | BX short | BX long | AY short | AY long |
| Standard | ||||
| SPD vs. OPD | .44 | .60 | .17 | .11 |
| SPD vs. HC | .57 | .61 | .15 | .45 |
| OPD vs. HC | .02 | .11 | 0 | .27 |
| Degraded | ||||
| SPD vs. OPD | .33 | .26 | .25 | .35 |
| SPD vs. HC | .52 | .36 | .39 | .12 |
| OPD vs. HC | .20 | .19 | .14 | .24 |
| Interference | ||||
| SPD vs. OPD | .37 | .29 | .25 | .27 |
| SPD vs. HC | .61 | .42 | .05 | .07 |
| OPD vs. HC | .45 | .17 | .07 | .20 |
Note. Data are effect sizes [(mean of Group 1 – mean of Group 2)/SDpooled]. SPD = schizotypal personality disorder; OPD = other (non-Cluster A) personality disorders; HC = healthy controls.