TABLE 1.

List of tests (presented in order of testing) and measures incorporated into the unified behavioral scores, which behavioral trait they are probing and the direction of influence.

Test	Measure	Score contribution	Influence
Direct social interaction (Age 4 weeks)	- Exploration time	Sociability	Excluded
	- Time following host		+ve
	- Time being followed		+ve
	- Time sniffing host		+ve
	- Time self-grooming		−ve
	- Time attacking host		+ve
	- Time being attacked		+ve
	- Time immobile		−ve
Social odor discrimination (Age 8 weeks)	- Increase in frequency of visits to novel social odor	Sociability	+ve
	- Increase in time spent sniffing novel social odor		+ve
Social propinquity (Age 9 – 12 weeks)	- Latency to first share	Sociability	−ve
	- Time vacant		−ve
	- Duration of double occupancy		+ve
Elevated zero maze (Age 12 – 13 weeks)	- Crosses into open	Anxiety	−ve
	- Time in open		−ve
	- Latency to enter open		+ve
Light/dark box (Age 18 – 20 weeks)	- Crosses into light	Anxiety	−ve
	- Time in light		−ve
	- Latency to enter light		+ve
3-chamber test (Age 20 – 22 weeks)	- Crosses into empty	Sociability	−ve
	- Crosses into occupied		+ve
	- Time in empty		−ve
	- Time in occupied		+ve
	- Latency to enter occupied		−ve
	- Mean time in occupied		+ve
Fecal corticosterone metabolites (FCMs) (Age 22 weeks)	- Change in FCM levels under stressed conditions	Anxiety/Stress	+ve