The dark line was separated with what 2 groups of 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.

answer; silence;

answer; /// direct cinema limits the use of narrators; ; ; and: : : : allows the audience to observe events as they occur;

answer; a splinter party;