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Repeatability measures in ripples per octave for spectral ripple discrimination using all paired comparisons. Starting times show the time after activation of the initial test in the pair.
| Starting Time | Duration between tests | |||
|---|---|---|---|---|
| 2–3 months | 5–6 months | 8–9 months | 11 months | |
| 1 month | 1.9 | 1.9 | 2.0 | 1.7 |
| 3 months | 1.2 | 1.7 | 2.2 | |
| 6 months | 1.1 | 0.9 | ||
| 9 months | 0.5 | |||
