Table 1.

Conditioning contingencies.

Type of training	Elemental	Compound	Context	Test
Blocking	A+	AB+		B−, D+, F−, A+, C−, E−
Protection from overshadowing	C−	CD+		D+, B−, F−, C−, A+, E−
Control	E−	EF−

Letters represent CSs; − represents no US was administered; + represents US was administered.