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The fire alarm has gone off so many times in their new school that Susannah and Tia don't even flinch anymore when they hear it. They even remained in the school library during a fire drill because they assumed it was another malfunction. Their failure to respond like they once did to the fire alarm shows the process of a. acquisition. b. discrimination. c. accommodation. d. extinction. e. assimilation.
Solution
VerifiedThe correct answer is D. (extinction). Extinction refers to the decrease of the conditioned response when there is no unconditioned stimulus presented after the conditioned stimulus. In this example, the unconditioned stimulus is fire, which leads to, for example, running outside the school (unconditioned response). The fire alarm sound (conditioned stimulus) was associated with fire and also lead to the same response (conditioned response). When the alarm goes off for a lot of time without fire, the response decreases and that is why Susannah and Tia did not even flinch.
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