| 2017-12-03 | |
|---|---|
Direct supervision | 100% |
Audio recording review by supervisor | 0% |
Back-check by telephone by supervisor or the central office | 0% |
Not subject to back-check | 0% |
listening to audio | 0% |
Sample size | 1,500 |
Sample size calculated by VoxDash | 367 |
Probability sampling | |
Margin of error | ±3% |
Margin of error (calculated by VoxDash) | ±5.12% |
Calculated by VoxDash | |
Data provider | |
General population | |
Respondent qualification age | 18 |
Data sampling | Probability sampling |
Coverages | National |