The accumulation of all powers legislative, executive and judiciary in the same hands may justly be pronounced the very definition of tyranny. —james madison, federalist paper 47 which concept is james madison discussing? a. the bill of rights b. strict interpretation c. the executive branch d. separation of powers

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

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.