evelyn's internet search for information about "vendor for machine screws" yielded more than 100,000 items. evelyn did not have time or resources to pursue each of these so she limited her search to only vendors in her state. by doing this, evelyn used

Bounded Rationality

Explanation:

Bounded Rationality -

It is the idea that the rationality is in the case , when the individuals make the decisions , by cognitive limitations of the mind , by the tractability of the decision problem , and the time taken for making the decision , is known as the bounded rationality .

In the question , Evelyn also uses this method , i.e. , the bounded rationality .

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.