Before completing a questionnaire about her sexual attitudes and behavior, Nancy reads and signs a statement in which she agrees that she understands the purpose of the study and what will be expected of her as a participant. What ethical principle is involved here?

Informed consent

Explanation:

Informed consent -

It is the method by which the healthcare professional helps the patient to give information regarding the benefits , risk or any alternative possible for the treatment , is referred to as informal consent .

The method is helpful to clear any doubts on the patient's mind regarding the treatment or disease , and as the patient understand the condition in a better manner and hence he or she recovers with a much faster pace , by considering all the precautions and measures given by the doctor .

Hence , from the given scenario of the question ,

The correct option is Informed consent .

answer; the above statement is (false);

trade regulation is a field of law, often bracketed with antitrust (as in the phrase “antitrust and trade regulation law”), including government regulation of unfair methods of competition and unfair or deceptive business acts or practices. antitrust law is often considered a subset of trade regulation law. franchise and distribution law, consumer protection law, and advertising law are sometimes considered parts of trade regulation law.

in general the theory of economics says that the more open to trade a country is the better   the result for the same country and the whole economies.

in real life countries impose taxes, quotas, etc which is not so good for the economies.

this kind of commercial war between the usa and china is slowing down the growth of the whole world so we can say that it is a draw back of trade regulations. and the free trade agreements are benefits of trade regulations.