Table 3.
Monte Carlo Analysis of Bias in the Standard Errors for the Unstandardized Effect Size (GMA D)
| N | Coverage | Percent Bias | Confidence Interval Bias | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delta | BTSP | Delta | BTSP | Delta | BTSP | |||||||
| S | I | S | I | S | I | S | I | S | I | S | I | |
| 50 | .937 | .937 | .942 | .940 | 3.34 | 3.74 | .64 | 1.34 | .013 | .013 | .008 | .010 |
| 100 | .943 | .943 | .944 | .944 | 1.37 | 1.91 | .23 | .77 | .007 | .007 | .006 | .006 |
| 150 | .942 | .946 | .943 | .947 | 1.67 | 1.33 | .97 | .63 | .008 | .004 | .007 | .003 |
| 250 | .947 | .947 | .949 | .948 | .72 | .61 | .36 | .31 | .003 | .003 | .001 | .002 |
| 500 | .945 | .948 | .946 | .947 | 1.02 | .43 | .76 | .29 | .005 | .002 | .004 | .003 |
| Mdn | .943 | .946 | .944 | .947 | 1.37 | 1.33 | .64 | .63 | .007 | .004 | .006 | .003 |
Note. Coverage = 95% coverage, Confidence Interval Bias = difference between coverage and .950, delta = delta method, BTSP = bootstrap, S = GMA D from slope difference, I = GMA D from intercept difference.