In first corinthians paul address three moral issues in the church. one of these is the issue

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;

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.