What is economic dependency?

Economic Dependence. A situation in which the success of one thing depends on the success of another. This may occur within a company; for example, a project may not have funding unless another project is successful. ... Many companies and economies seek to diversify to avoid economic dependence.

Explanation:

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; proximity;