|
$25 incentive (original N = 250) |
$50 incentive (original N = 250) |
P-value |
| Total completes |
64 |
77 |
|
| |
|
|
|
| Cost |
|
|
|
| Incentives |
$6,250 |
$12,500 |
-- |
| Mailings/paper supplies |
$3,620 |
$3,517 |
-- |
| Overall |
$9,870 |
$16,017 |
-- |
| Per complete |
$154.22 |
$208.01 |
-- |
| |
|
|
|
| Avg. no. of reminders |
2.3 |
1.8 |
.029a |
| Mode of completion |
|
|
.220b |
| Online |
88% |
94% |
|
| Paper |
13% |
6% |
|