I believe the answer is Observational study
In an observational study, the data input couldn't be controlled by researchers because it's relative to the subject.
This type of study usually being conducted in researchers that involve ethical measurement or Personal opinion.
Living in the Back country<span>. settled land. In the early 1700s, it was the land between the Atlantic coastal region and the Appalachian Mountains.</span>
Amenhotep IV was a pharaoh of the eighteenth dynasty of Egypt. He demanded that his people practiced a new religion with one god rather than many gods.
can you mark me as brainliest?
President Reagan believed that Soviet Union poses such a threat that there was no option but to defeat them. He rejected any policy which advocated for negotiations or too much compromise. He used the phrase “peace through military strength” which explained his aggressive support of anti-communist groups and the build up of the American military under his administration.
