Magnitudes of dprimes for true positives and false positive rates
The table below gives dprimes for combinations of true positive and false positive rates. Remember that a rate of 0.5, or 50%, is equivalent to merely a chance occurrence.
Dprimes greater than 2, regarded as atypical by the UCLA statistics department, are in italics.
|
False Alarm Rate |
||||||||||||||
True Positive Rate |
0.05 |
0.1 |
0.15 |
0.2 |
0.3 |
0.4 |
0.5 |
||||||||
0.99 |
3.97 |
3.60 |
3.36 |
3.16 |
2.85 |
2.58 |
2.45 |
||||||||
0.95 |
3.28 |
2.93 |
2.68 |
2.49 |
2.17 |
1.90 |
1.77 |
||||||||
0.90 |
2.93 |
2.56 |
2.32 |
2.12 |
1.81 |
1.53 |
1.41 |
||||||||
0.85 |
2.68 |
2.32 |
2.07 |
1.88 |
1.56 |
1.29 |
1.16 |
||||||||
0.80 |
2.49 |
2.12 |
1.88 |
1.68 |
1.37 |
1.09 |
0.97 |
||||||||
0.70 |
2.17 |
1.81 |
1.56 |
1.37 |
1.05 |
0.78 |
0.65 |
||||||||
0.60 |
1.90 |
1.53 |
1.29 |
1.09 |
0.78 |
0.51 |
0.38 |
||||||||
0.50 |
1.65 |
1.28 |
1.04 |
0.84 |
0.52 |
0.25 |
0.13 |
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