Table 1:

Personality and temperament measurements from BioBehavioral Assessment

BBA Measurement	Variable Measured	Definition of Variable
Holding Cage Score	Day 2 Activity	Factor score comprised of the following variables from day 2 of testing: locomotion, not hanging from top/side of cage, environmental explore, eat, drink, crouch
	Day 2 Emotionality	Factor score comprised of the following variables from day 2 of testing: vocal coo, vocal bark, scratch, threat, lipsmack
Novel Object Response	Novel Object Contact	Mean number of 15-second intervals in which the subject touched novel object during an average 5-minute period during the daytime
Temperament Score	Gentle	Factor score comprised of the following temperament ratings: gentle, calm, flexible, curious
	Vigilant	Factor score comprised of the following temperament ratings: vigilant, not depressed, not tense, not timid
	Confident	Factor score comprised of the following temperament ratings: confident, bold, active, curious, playful
	Nervous	Factor score comprised of the following temperament ratings: nervous, fearful, timid, not calm, not confident

For details on factor analyses and methods, see Golub et al. [2009].