Table 4.

Temperament Rating Definitions

Traits	Definition
Confidence	Animal's movements are fluid, not furtive. Animal is not tentative and spends the majority of time in the front of cage, takes the food with little or no hesitation and may touch the object or touch the object/reward presentation platform.
Nervousness	Animal fidgets, yawns, scratches, or displays stereotypies. Movements may be jerky. Animal appears overly vigilant.
Fearfulness	Animal appears anxious and readily grimaces, screams, cowers, and/or moves away from object. Noticeably averts gaze from object or front of cage.
Activity	Animal actively moving around the cage and remains stationary only for short periods of time. An active animal will spend time in many different locations.