Table 2.
Average performance (mean ± SEM) for the memory test for identifying gist descriptions, and corresponding trial-based and grand accuracy in the detail memory test, across all trials and within four confidence levels of remembering the gist (N = 20)
| Across all trials | Separated for four levels of confidence of remembering the gist |
||||
|---|---|---|---|---|---|
| Unsure | Somewhat sure | Sure | Very sure | ||
| Memory test of identifying the gist | |||||
| Hits | 98.95 ± 3.01 | 14.70 ± 1.91 | 14.10 ± 0.81 | 10.70 ± 1.14 | 59.45 ± 4.22 |
| Misses | 51.05 ± 3.01 | 13.30 ± 2.21 | 12.05 ± 1.38 | 10.4 ± 1.66 | 15.30 ± 2.38 |
| FA | 29.65 ± 3.87 | 12.80 ± 1.79 | 7.80 ± 1.11 | 4.70 ± 1.02 | 5.35 ± 1.50 |
| CR | 120.35 ± 3.87 | 19.25 ± 4.38 | 24.45 ± 3.35 | 21.95 ± 3.06 | 53.25 ± 7.65 |
| HR | 0.670 ± 0.020 | 0.555 ± 0.031 | 0.563 ± 0.032 | 0.541 ± 0.044 | 0.803 ± 0.027 |
| FAR | 0.197 ± 0.026 | 0.461 ± 0.539 | 0.250 ± 0.039 | 0.187 ± 0.037 | 0.164 ± 0.054 |
| Accuracy | 0.473 ± 0.018 | 0.086 ± 0.049 | 0.308 ± 0.039 | 0.328 ± 0.043 | 0.599 ± 0.048 |
| PC | 0.785 ± 0.019 | 0.576 ± 0.031 | 0.716 ± 0.031 | 0.764 ± 0.033 | 0.869 ± 0.029 |
| Trial-based detail memory | |||||
| HR | 0.612 ± 0.015 | 0.489 ± 0.031 | 0.592 ± 0.029 | 0.531 ± 0.035 | 0.625 ± 0.018 |
| FAR | 0.434 ± 0.013 | 0.434 ± 0.025 | 0.477 ± 0.025 | 0.463 ± 0.031 | 0.407 ± 0.017 |
| Accuracy | 0.177 ± 0.015 | 0.055 ± 0.021 | 0.115 ± 0.025 | 0.068 ± 0.027 | 0.229 ± 0.015 |
| PC | 0.596 ± 0.007 | 0.522 ± 0.013 | 0.563 ± 0.016 | 0.514 ± 0.027 | 0.615 ± 0.011 |
N, Number of participants; FA, false alarm; CR, correct rejection; HR, hit rate; FAR, false alarm rate; accuracy, calculated by HR − FAR; PC (proportion correct), calculated by HR divided by HR plus FAR.