Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percentage of positive and negative symmetry probe trials with 1 or no comparison pecks for each pigeon over its first four and all eight test sessions in Experiment 3.
| Pigeon | First Four Tests |
All Eight Tests |
||
| Positive | Negative | Positive | Negative | |
| EXT 2 | 12.5 | 25.0 | 15.6 | 21.9 |
| EXT 3 | 18.8 | 25.0 | 12.5 | 34.4 |
| EXT 4 | 37.5 | 50.0 | 50.0 | 53.1 |
| EXT 5 | 68.8 | 87.5 | 50.0 | 87.5 |
| EXT 6 | 37.5 | 81.2 | 53.1 | 84.4 |
| EXT 7 | 18.8 | 43.8 | 34.4 | 50.0 |
| EXT 8 | 12.5 | 31.2 | 15.6 | 31.2 |
| Mean | 29.5 | 49.1 | 33.0 | 51.8 |
