Agroup of researchers wanted to investigate allegations of sexual harassment on a company's assembly line. to make their observations, they took jobs working on the assembly line and pretended to be new employees. the best, most precise term to describe what the researchers were doing is

This is a Naturalistic observation.

Explanation:

What is a Naturalistic observation?

This is a research which involves observing people or animals or objects in their natural environment.

People or animals acts natural in their normal self when they don't feel like they are contained or constrained for observational purposes.

This is usually chosen if subjects to be studied will have their behaviour affected by being in a constrained environment such as the laboratory.

This will help researchers understand how people react to certain stimulant in real life when they are in their comfort natural environment.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.