What duties should the officer stationed at the ear of corn uphold

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; the president uses mass media to gain support for policies;

answertaste-aversion;

answer; lexical approach;