Table 2. Estimated parameter values from a hierarchical logistic regression relating covariates (taxa, parameter estimated, year, journal type, and experimental scale) on the probability a given study accounted for imperfect detection.
| Parameter | Estimate | 95% Credible Interval | f b |
| Year | 0.45 a | (0.23, 0.66) | 0.99 |
| Fish | 1.01 | (0.01, 2.13) | 0.97 |
| Mammals | 0.38 | (−0.51, 1.49) | 0.75 |
| Herps | 0.53 | (−0.38, 1.50) | 0.85 |
| Birds | 0.33 | (−0.70, 1.22) | 0.76 |
| Invertebrates | –0.83 | (−1.83, 0.16) | 0.95 |
| Plants | –1.70 | (−2.95, −0.35) | 0.99 |
| Abundance | 0.49 | (−0.26, 1.18) | 0.90 |
| Occurrence | –0.60 | (−1.42, 0.14) | 0.95 |
| Survival | 0.91 | (0.23, 1.65) | 1.00 |
| Richness | –1.10 | (−1.81, −0.25) | 0.99 |
| Range | –0.92 | (−2.17, 0.22) | 0.94 |
| Scale (1 = community) | –0.51 | (−1.10, 0.08) | 0.95 |
| Spatial extent (1 = landscape) | –0.12 | (−0.69, 0.45) | 0.67 |
| Journal type (1 = single taxon) | –0.60 | (−1.12, −0.03) | 0.98 |
| Detection Covariates | |||
| Observer (1 = RKS) | 1.33 | (0.16, 2.51) | 0.98 |
| Fish | –0.02 | (−1.37, 1.51) | 0.52 |
| Mammals | –0.68 | (−2.02, 0.52) | 0.85 |
| Herps | 0.83 | (−0.52, 2.36) | 0.85 |
| Birds | –0.62 | (−1.80, 0.64) | 0.84 |
| Invertebrates | –0.14 | (−1.70, 1.48) | 0.57 |
| Plants | –0.21 | (−2.35, 1.77) | 0.55 |
a
Bolded parameters had 95% credible intervals that did not overlap 0 and are considered statistically important.
b
Proportion of the parameter’s posterior distribution with same sign as the mean value; values approaching 1 reflect increasing certainty that the parameter is different from 0.