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 .

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).