Jeffreys, a research, is conducting a drug trial in a controlled environment. He manipulates several variables and measures the effect of each variable on the subjects of the trial. In this scenario, Dr. Jeffreys is using the method.

experiment

Explanation:

Experiment method: In research, the term experiment method is described as a method of investigation whereby a specific hypothesis is being scientifically tested. Therefore, in the experiment method, a dependent variable is being tested or measured by the researcher, an independent variable is being changed or manipulated, and any extraneous variables are being controlled by the experimenter, investigator or researcher.

Advantage: The experiment method is objective in nature.

In the question above, Dr. Jeffreys is using the experimental method.

answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’