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| Hetroginity source | Coefficients | Standard error | p-valuse |
|---|---|---|---|
| Publication year | .9893661 | 3.08101 | 0.752 |
| Sample size | -.0053366 | .0274522 | 0.848 |
| JBI Quality | -2.507077 | 4.303919 | 0.567 |
