| Overconfident Group (N = 2430) | Non-overconfident Group (N = 4185) | Mean T test | ||||
Mean | Median | Std. Dev. | Mean | Median | Std. Dev. | T value | |
RD | 0.0483 | 0.0375 | 0.0457 | 0.0232 | 0.0235 | 0.0168 | 31.998*** |
SIZE | 21.653 | 21.437 | 1.1331 | 21.942 | 21.762 | 1.2724 | −9.266*** |
LEV | 0.3467 | 0.3226 | 0.2021 | 0.4525 | 0.4508 | 0.2141 | −19.784*** |
TBQ | 0.0626 | 0.0569 | 0.0551 | 0.0409 | 0.0336 | 0.0762 | 12.303*** |
ROA | 2.5631 | 2.0281 | 2.1661 | 1.9041 | 1.4961 | 1.5991 | 14.135*** |
SHARE | 0.3421 | 0.3272 | 0.1401 | 0.3679 | 0.3554 | 0.1538 | −6.828*** |
DUA | 0.3461 | 0 | 0.4758 | 0.2327 | 0 | 0.4226 | 10.034*** |