Look at these maps from the 2008 and 2012 presidential elections. In the space provided, note the differences and similarities between the two maps. Are certain regions more Democratic and some more Republican? What other interesting points do you recognize about the maps?

answer; the correct answer to the above statement is to increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mother;

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.