Table 2. Test-Retest Reliability Indices: Pearson and Intraclass Correlation Coefficients for the CNV Component Amplitudes (μV) in Adults and Children from Session One to Session Two.
| r | ICC (3,1) Consistency | ICC (3,1) Absolute Agreement | ||
|---|---|---|---|---|
|
|
||||
| Children | O-wave | — | — | — |
| E-wave | .50*** | .50*** | .48*** | |
| Total CNV | .34* | .33** | .33** | |
| Adults | O-wave | .58** | .58*** | .58*** |
| E-wave | .19 | .19 | .19 | |
| Total CNV | .05 | .05 | .05 | |
*
p < .05
**
p < .01
***
p < .001
Note: Reliability for the O-wave was not measured for children due to the overlapping P300 component in the 600-800ms time window.