Table 3.
AX-CPT-derived indices reliability across sessions
| Measure | Split-half (95% CI) | ICC2,1 (95% CI) | ICC3,1 (95% CI) | M | Range |
|---|---|---|---|---|---|
| Baseline | |||||
| A-cue bias | .55 (.41−.66) | .23 (.05−.39) | .23 (.05−.39) | .09 | – 1.14 to .87 |
| d′ context | .78 (.70−.84) | .39 (.17−.56) | .45 (.28−.58) | 2.85 | – .23 to 4.4 |
| PBIerror | .69 (.59−.76) | .15 (– .03 to .32) | .18 (– .03 to .37) | – .18 | – .94 to .89 |
| PBIrt | .72 (.62−.80) | .26 (.05−.44) | .32 (.15−.48) | .03 | – .40 to .24 |
| Proactive | |||||
| A-cue bias | .79 (.71−.85) | .42 (.24−.57) | .42 (.24−.57) | .37 | – 1.99 to 1.47 |
| d′ context | .80 (.72−.85) | .55 (.40−.66) | .55 (.40−.66) | 3.09 | – .92 to 4.40 |
| PBIerror | .80 (.73−.86) | .39 (.20−.56) | .39 (.19−.56) | .16 | – .89 to .94 |
| PBIrt | .80 (.72−.85) | .51 (.36−.64) | .51 (.36−.64) | .09 | – .26 to.32 |
| Reactive | |||||
| A-cue bias | .53 (.39−.64) | .33 (.16−.48) | .33 (.16−.48) | .06 | – .80 to.82 |
| d′ context | .79 (.72−.85) | .56 (.40−.68) | .58 (.45−.69) | 2.93 | .58 to 4.4 |
| PBIerror | .65 (.54−.74) | .20 (.00−.38) | .22 (.01−.41) | – .09 | – .93 to .86 |
| PBIrt | .59 (.46−.70) | .43 (.27−.57) | .43 (.27−.57) | .02 | – .30 to .21 |
Note. Split-half is an average of the test and retest phase split-half reliabilities. ICC2,1 is a two-way random effects, absolute agreement, single rater intraclass correlation coefficient; a measure of test–retest reliability. ICC3,1 is a two-way mixed effects, consistency, single rater intraclass correlation coefficient; a measure of test–retest reliability. CI confidence interval, M mean