From: Using e-mail recruitment and an online questionnaire to establish effect size: A worked example
Expected consent rate without using the e-PIS | 90% | 80% | 70% | 50% | 30% |
---|---|---|---|---|---|
Mean percentage increase experts wanted | 6.9 | 10.7 | 13.5 | 20.2 | 28.9 |
Standard deviation | 3.19 | 5.61 | 24.05 | 8.53 | 18.13 |
Median percentage increase wanted | 9 | 10 | 11 | 20 | 25 |
Inter quartile range | 5 | 5 | 10 | 17.5 | 30 |
Range of responses seen | 0-10 | 0-20 | 0-30 | 0-50 | 0-70 |