Table 2 Summary of models and modelling comparison results
Model | Assumptions | Relative likelihood of model (from DIC) | Notes | ||||
|---|---|---|---|---|---|---|---|
Humans | Animals | ||||||
Random participation | Non-participation | ||||||
Low-risk | High-risk | Low-risk | High-risk | ||||
1 | ✓a | < 10− 100 | Least good fit | ||||
2 | ✓ | ✓ | ≈ 10− 5 | Implausible parameterisation | |||
3 | ✓ | ✓ | < 10− 100 | Poor fit | |||
4 | ✓ | ✓ | 0.955 | Good fit | |||
5 | ✓ | ✓ | ✓ | ✓ | 0.026 | No improvement over Model 4 but more parameters | |
6 | ✓a | ✓ | ≈ 10− 9 | ||||
7 | ✓ | ✓ | ✓ | 1 | Best fit | ||