Table 3.
Individual fitting of data from the domain-comparison experiment by logistic regression.
| Coefficients | Estimate | Standard Error | Odds Ratio | z | p |
|---|---|---|---|---|---|
| Monkey = Mars | |||||
| (Intercept) | −1.082 | 0.225 | 0.339 | −4.800 | <0.001 |
| Task | 0.365 | 0.328 | 1.440 | 1.112 | 0.266 |
| WT | 0.087 | 0.021 | 1.091 | 4.207 | <0.001 |
| Task * WT | −0.027 | 0.028 | 0.973 | −0.974 | 0.330 |
| Monkey = Saturn | |||||
| (Intercept) | −1.127 | 0.196 | 0.324 | −5.746 | <0.001 |
| Task | −0.053 | 0.347 | 0.948 | −0.153 | 0.879 |
| WT | 0.102 | 0.025 | 1.107 | 4.081 | <0.001 |
| Task * WT | −0.002 | 0.037 | 0.998 | −0.046 | 0.964 |
| Monkey = Uranus | |||||
| (Intercept) | −1.435 | 0.178 | 0.238 | −0.8060 | <0.001 |
| Task | 0.530 | 0.279 | 1.699 | 1.898 | 0.058 |
| WT | 0.071 | 0.018 | 1.074 | 3.914 | <0.001 |
| Task * WT | −0.016 | 0.023 | 0.985 | −0.668 | 0.504 |
| Monkey = Neptune | |||||
| (Intercept) | −1.428 | 0.166 | 0.240 | −8.596 | <0.001 |
| Task | 0.685 | 0.274 | 1.984 | 2.499 | 0.012 |
| WT | 0.031 | 0.011 | 1.032 | 2.825 | 0.005 |
| Task*WT | 0.003 | 0.018 | 1.003 | 0.187 | 0.851 |
Logistic regression of response (correct/incorrect) with WT, task (memory/perception), and a cross-product item as factors to test whether WT tracks responses. The results show that the response outcomes were tracked by WT. Logistic regression was performed separately for each monkey.