The stories on the front page of the newspaper are an example of which of the following? stacking gatekeeping subculture inequality

what are the choices? the multiple choices?

i will answer in the comments after the choices have been said.

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.

i honestly have no idea

answer; /// the above statement is ( true);