Table 1.

Overview of the Groups of monkeys involved in each different training method.

Group	Type of reinforcement	Pair-, Group-, or Individual Training	Transport device order of training	Primate chair – voluntary head presentation	Primate Chair - Neck Plating
Group 1	PRT&NRT	Individual	T-box	N/A	N/A
Group 2	Only PRT	Individual	T-box	N/A	N/A
Group 3	PRT&NRT	Pair or Group	T-box	N/A	N/A
Group 4	Only PRT	Pair or Group	T-box -> Chair	X
Group 5	PRT&NRT	Pair or Group	T-box -> Chair		X
Group 6	PRT&NRT	Pair	Chair -> T-box		X