Table 1.
Description of reinforcement schedules stages implemented within the immediate reinforcement group in WalkIT
| Stage | Description | Reward Ratio | Reward Range per Met Goal | Max $ Earned in Stage | |
|---|---|---|---|---|---|
| Baseline | Prior to Randomization | -- | -- | -- | |
| 24 GoalsMetRequired toAdvanceStage | Stage 1 | Continuous, Fixed Magnitude | CRF-FM | $1.00 | $24 |
| Stage 2 | Continuous, Variable Magnitude | CRF-VM | $0.25–$2.50 | $24 | |
| Stage 3 | Variable Ratio, Variable Magnitude | VR 1.09-VM | $0.50–$2.50 | $24 | |
| Stage 4 | Variable Ratio, Variable Magnitude | VR 1.20-VM | $0.75–$2.50 | $24 | |
| Stage 5 | Variable Ratio, Variable Magnitude | VR 1.33-VM | $0.75–$3.50 | $24 | |
| Stage 6 | Variable Ratio, Variable Magnitude | VR 1.50-VM | $0.75–$5.00 | $24 | |
| Stage 7 | Variable Ratio, Variable Magnitude | VR 1.33-VM | $0.75–$3.50 | $24 | |
| Stage 8 | Variable Ratio, Variable Magnitude | VR 1.20-VM | $0.75–$2.50 | $24 | |
| Stage 9 + | Variable Ratio, Variable Magnitude | VR 1.09-VM | $0.50–$2.50 | $24 |