conditioned to feel hunger at certain times of the day due to classical conditioning. In this case,
the US would be a. time of day. b. empty stomach. c. food d. eating.
Solution
Question: Although hunger naturally occurs in response to an empty stomach, we can easily
become conditioned to feel hunger at certain times of the day due to classical conditioning. In
this case, the US would be the _.
Answer: a. Time of day
Time of the day is the unconditioned stimulus (US) because its effects didnot depend on its
association with hunger.