Explain the ambiguous use of the name: "Britain". The ambiguous use of the name “Britain" ?

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.

its tr3way you already know

where is the passage