Alan always turns the aquarium light on before putting fish food into the tank. After a while, he notices that the fish swim to the top to look for the food as soon as he turns on the light. In this example, the
________ is the unconditioned stimulus.

A) presence of Alan near the aquarium
B) fish swimming to the top
C) aquarium light
D) fish food

Question

Christopher Anderson · Accepted Answer

Final Answer : D, Explanation :  The unconditioned stimulus is the stimulus that naturally elicits a response without any conditioning or learning. In this case, the fish naturally respond to the presence of food (fish food) by swimming to the top, which is the unconditioned response. Therefore, the fish food is the unconditioned stimulus. The other options (presence of Alan near the aquarium, fish swimming to the top, and aquarium light) are not directly related to the fish's response and are not the unconditioned stimulus in this example.

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