If a study finds that people respond significantly differently to women than they do to men, we could conclude that

In a democracy, this is held by the citizens who elect leaders to political office

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality. potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english

An individual who is experiencing a prolonged period of stress would likely have levels of circulating than an individual who was not experiencing stress.