An infant who is reactive will exhibit physiological responses to a loud sound and exhibit behavior around unfamiliar people.

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.

step 1. boil eggs

step 2.eat eggs

step 3. get your hot poonts ready

no one should discriminated against because he or she is not from a minority group