Table 2 Means and standard deviations of number of trials retained in final averages. Means appear first, followed by standard deviations in brackets
| 50 dB | 60 dB | 70 dB | 80 dB | |
|---|---|---|---|---|
| ASD | 220.43 (50.50) | 211.54 (52.00) | 224.76 (49.93) | 216.32 (49.97) |
| TD | 240.07 (53.51) | 229.49 (54.05) | 244.00 (54.35) | 234.63 (53.07) |