Table 2.

Design of Experiment 2.

Patterning training	Transfer CS and pseudo occasion setter training	Test
		Same	Different
A: x → suc, x−, A−	A: x → suc, x−, A−	C: x	C: y
B: y → oil, y−, B−	B: y → oil, y−, B−	D: y	D: x
	w → suc, z → oil	x → suc	y → oil
	C… → suc, D… → oil

Note: All stimuli were of 10 s duration, and a 5 s trace interval separated visual and auditory stimuli on compound trials; … denotes a 15-s trace interval before reinforcer delivery. For further details of counterbalancing see Sections 3.1.2 and 2.1.3.3.