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Factor structure of the game behaviors, including and not including the second SDG (principal factor method with repeated communality estimation)
| Game behavior | Loadings | |
| Five games | Four games | |
| DG | 0.657 | 0.698 |
| Return behavior in the TG | 0.758 | 0.802 |
| PDG | 0.796 | 0.796 |
| SDG I | 0.793 | 0.724 |
| SDG II | 0.733 | — |
| Eigenvalue | 2.804 | 2.289 |
