Table 1 Overview of each survey round
Round | Incentive for completing the survey | Survey length | Number of follow-up waves | Incentive for participating in field study | Addressee | % deliverable |
|---|---|---|---|---|---|---|
1 | Gift card | Long | 0 | $100 | “Current Resident” | 91.3 |
2 | Gift card | Long | 0 | $100 | “Current Resident” | 92.9 |
3 | Gift card | Long | 0 | $100 | Personalized | 91.7 |
4 | Gift card | Long | 0 | $100 | Personalized | 88.8 |
5 | Gift card | Long | 0a | $100 | Personalized | 91.3 |
6 | $2 cash | Long | 3 | $150 | Personalized | 88.3 |
7 | $2 cash | Long | 3 | $150 | Personalized | 89.6 |
8 | $2 cash | Medium | 3 | $150 | Personalized | 87.5 |
9 | $2 cash | Short | 3 | $150 | Personalized | 86.3 |
10 | $2 cash | Long | 3 | $200 | Personalized | 84.6 |
11 | $2 cash | Long | 0 | $200 | Personalized | 91.3 |
12 | $2 cash | Long | 3 | $200 | Personalized | 85.0 |
13 | $2 cash | Long | 3 | $200 | Personalized | 86.3 |
14 | $2 cash | Long | 2 | $200 | Personalized | 85.4 |
15 | $2 cash | Long | 2 | $200 | Personalized | 84.2 |
16 | $2 cash | Long | 2 | $200 | Personalized | 83.8 |
17 | $2 cash | Long | 2 | $200 | Personalized | 82.1 |