Comparison of the power claimed by Kaul and Wolf in their second paper on adults with the actual power (t test with p=0.05, as this is the best they can achieve, invoking a gradual effect of standardised packaging, and obtained using Monte Carlo simulation with 50 000 iterations)
| Effect size (percentage point reduction) | Power | |
|---|---|---|
| Claimed | Actual | |
| 0.25 | 0.67 | 0.11 |
| 0.50 | 0.85 | 0.22 |
| 0.75 | 0.96 | 0.37 |
| 1.00 | 0.99 | 0.55 |