The four models of basic acquisition were applied in Exercise 16 in a two-stage procedure. Stage 1 presented CS2-US trials. In Stage 2, the trials were CS1-CS2. In other words, this preparatory exercise involved
a. blocking.
b. sensory preconditioning.
c. higher-order conditioning.
d. overexpectation.
c. higher-order conditioning.
Answer feedback: In Stage 1, CS2 (a medium-intensity tone) was paired with the US (a medium-intensity shock). In Stage 2, CS1 (a medium-intensity light) was paired with CS2. This procedure is known as higher-order conditioning.
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