. 2022 Feb 6;59(6):e14003. doi: 10.1111/psyp.14003

TABLE 2.

Overall variance

Variance

Error‐related negativity (ERN)

Error positivity (Pe)

Group studies

Correlational studies

Group studies

Correlational studies

I_{1}^{2}

14.90%

54.34%

45.65%

15.69%

I_{2}^{2}

69.16%

0.00%

32.44%

0.00%

I_{3}^{2}

15.94%

45.66%

21.91%

84.31%

Note: $I_{1}^{2}$ = within study sampling variation, $I_{2}^{2}$ = between effect size variation and $I_{3}^{2}$ = between study variation.