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Description of the coded behaviors.
| Behavior | Test Phase | Description |
| Contact | Pre-test | Occurrence (yes/no) and duration of CP touching/stroking the subject. |
| Choice | Test | The subject touches or approaches to within 20 cm of the experimenter. The first experimenter touched or approached is considered the animal’s choice. |
| Proximity | Test | The time the subject spends within a half body-length radius of the experimenter. |
