Arjun, a psychologist, conducts an experiment to study the side effects of a drug. In this experiment, as Arjun wants to ensure accurate assessment of the drug's effects, the participants and the experimenter who interacts with the participants are unaware of the nature of the drug that is being administered. Arjun is conducting a .

double-blind procedure.

Explanation:

Double-blind procedure -

It refers to the method of experiment , where the experimenters as well as the participants do not have any information about the experiment , is referred to as a double - blind procedure .

The method is adapted to eliminate any discrimination , which would make the experiment to yield very accurate results .

Hence , from the given scenario of the question ,

The correct answer is double-blind procedure .

the anti federalists was a movement that was opposed to the creation of a us federal government. although they were not as organized as the federalists, they also had a large group of leaders, especially in state politics.

the statement "now, in a large extended country, it is impossible to have a representation, possessing the sentiments, and of integrity, to declare the minds of the people” represents the concerns of the anti federalists.

they strongly believed that the federalists were representing the interests of aristocratic elements of society at the expense of the majority of ordinary people, who lived in a rural society.

their fear for the creation of a strong federal government and the president’s power of veto in their opinion would create a tyrannical rule that would dominate the people. they defended the importance of restraining the government’s power towards people at any cost.

answer; motor learning;