One night, while you're studying hard for a biology test, your dog begins barking at you. you are not sure why she is barking, but then you remember that you haven't fed her tonight. you think, "maybe she's hungry." if you are following the scientific method, what should you do next?

feed the dog

Explanation:its hungry so you should feed it

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.