Table 3. Pearson correlation coefficients (p values under brackets) between the sMARS scores and ERN, CRN and ERN-CRN components (at Fz) and Pe component (at Cz) amplitudes for the numerical and the classical Stroop tasks for the whole sample (n=34).
| Classical Stroop task |
Numerical Stroop task |
|||||||
|---|---|---|---|---|---|---|---|---|
| ERN | CRN | ERN-CRN | Pe | ERN | CRN | ERN-CRN | Pe | |
| sMARS | .02 (.89) | -.09 (.60) | -.06 (.73) | -.15 (.37) | -.35 (.03)* | .17 (.32) | -.48 (.003)** | -.22 (.19) |
| Factor I | .02 (.87) | -.07 (.67) | -.04 (.81) | -.17 (.32) | -.38 (.02)* | .16 (.35) | -.50 (.002)** | -.22 (.19) |
| Factor II | .05 (.74) | -.13 (.43) | -.07 (.69) | -.07 (.67) | -.26 (.13) | .11 (.53) | -.34 (.04)* | -.20 (.24) |
| Factor III | -.01 (.94) | -.05 (.74) | -.06 (.72) | -.10 (.56) | -.19 (.25) | .19 (.26) | -.34 (.04)* | -.13 (.43) |
| STAI-T | .12 (.48) | .16 (.35) | -.03 (.85) | -.17 (.32) | -.01 (.91) | .14 (.41) | -.12 (.47) | -.30 (.07) |
| STAI-S | .14 (.39) | .09 (.60) | .05 (.77) | -.03 (.86) | -.04 (.81) | -.03 (.85) | -.01 (.92) | -.24 (.15) |
Note. ** p < .01; * p < .05; Factor I: Math test anxiety; Factor II: Numerical task anxiety; Factor III: Math course anxiety; ERN: Error-related negativity; CRN: Correct-related negativity; Pe: error positivity (after errors).