The 27th Amendment States that "No law varying the compensation for the services of the Senators and Representatives shall take effect, until an election of Representatives shall have intervened."
This was created to keep Congress from giving themselves a pay raise while in the term.
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.
what are the statements