| ## Appendix — per-trial pass/fail (secondary, noisy) | |
| | Budget | Without PDF | With PDF | | |
| |---:|:--|:--| | |
| | 200 | 4/5 pass — mean 3.91 | 4/5 pass — mean 3.73 | | |
| | 300 | 2/5 pass — mean 3.57 | 1/5 pass — mean 3.57 | | |
| | 400 | 3/5 pass — mean 3.69 | 2/5 pass — mean 3.85 | | |
| This scorer disagrees with the ranking on the sign of the PDF effect (it shows the PDF | |
| never helping). Where they conflict, trust the ranking. | |