If you were writing a report about the events of the start of the american revolution, most of the dates would come from which era? a) 1650s b) 1750s c) 1770s d) 1870s

the consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.

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.