Pavlov's dog salivates each time he hears a bell. now, however, after several trials of salivating to the bell and not receiving any food, the dog stops salivating. which of the following best explains the change in the dog's behavior? multiple choice spontaneous recovery wasn't triggered. unconditioned response was triggered. generalization has occurred. extinction has occurred.

Extinction has occurred.

Explanation:

In psychology, the extinction refers to the process of weakening of a conditioned response by the respondent. This actually results in decrease or disappearance of a particular behavior response.

In the given situation, the dog is showing the trait of salivation in the behavior but after the occurrence of number of trials the dog is not receiving any food this is a tiring situation for dog which made it to stop salivation. Thus here, the extinction of behavior that is salivation has occurred.

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus