Table 3 Total costs comparing $2 and $5 conditions and one versus two mailings
| Â | $2 condition | $5 condition |
|---|---|---|
First Mailing-total cost per participant* | $5.25 | $8.25 |
First mailing response rate | 47.67% | 57.77% |
Total cost/returned survey ($) | $11.01 | $14.28 |
Second Mailing-total cost per participant** | $2.40 | $2.40 |
Second mailing response rate | 33.91% | 22.50% |
Total cost/returned survey ($) | $7.08 | $10.67 |
Final Response | Â | Â |
Cumulative response rate | 65.41% | 67.27% |
Total cost/returned survey ($) | $9.95 | $13.77 |