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| Standard | Number of studies |
|
|---|---|---|
| Yes | No | |
| Design | ||
| Prospective study | 1 | 17 |
| Sample | ||
| Probability sampling | 0 | 18 |
| Proper sample size | 18 | 0 |
| Sample drawn for more than one site | 13 | 5 |
| Anonymity assurance | 11 | 7 |
| Response rate > 60% | 18 | 0 |
| Measurement | ||
| Reliable measures of outcomes | 18 | 0 |
| Valid measure of self-esteem | 18 | 0 |
| Valid measure of shame | 18 | 0 |
| Statistical Analysis | ||
| Correlation analysis when multiple effect studied | 17 | 1 |
| Management of outliers addressed | 0 | 18 |
