Datafile
Variable note:
This variable is part of the "interwave mailing" experiment. See the description of experiments in the IP User Guide.
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 1649 | 48.76% |
| no incentive, paper mailing | 1 | 683 | 20.2% |
| no incentive, e-mail | 2 | 179 | 5.29% |
| incentive, paper mailing | 3 | 671 | 19.84% |
| incentive, e-mail | 4 | 185 | 5.47% |
| already registered on-line | 5 | 15 | 0.44% |
| Total | 3382 | 100.0% |
