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| Q. |
The statistical technique of meta-analysis: |
| A. | Estimates the amount of sampling error in one study to derive a more accurate estimate of the validity coefficient |
| B. | Changes the magnitude of the validity coefficient by removing the effect of the sampling error |
| C. | Changes the estimated variance in observed coefficients and hence widens the confidence interval around the mean coefficient |
| D. | Cumulates the results from many separate studies to obtain a more stable indication of the effect under investigation |
| Answer» D. Cumulates the results from many separate studies to obtain a more stable indication of the effect under investigation | |
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