An elderly gentleman, whose wife is his legally authorized representative since his strokes several years ago, was recently diagnosed with lung cancer. He is eligible for a clinical trial using a new investigational drug that aims to treat lung cancer. He is able to express interest, shows a basic understanding of the nature of the trial, and gives his assent to participation. The subject's wife is out of town on a business trip.

Which of the following is the most appropriate action to take for the investigator?
Send a copy of the informed consent via facsimile to the subject's wife. After she has had the opportunity to speak to the investigator, she can sign the informed consent and fax it back.
waive any possibility of compensation for injuries that I may receive as a result of participation in this research.
provide a potential subject with appropriate information in an appropriate manner

How would having more railroad tracks be advantageous during a war

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject. a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher. wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners. acceptable only when the researcher’s irb grants a special waiver.

The government has the right to restrict the number of people who visit the white house. this is an example of a government exercising its