An experiment involves exposing people to live viruses. how can this experiment demonstrate a link between stress and impaired immune function? a. stress makes a person more likely to believe they are sick, so people with high stress levels should be more likely to report getting sick b. stress makes a person less likely to volunteer for a psychological study, so the people involved in the study should be less likely to get sick c. stress strengthens the immune system, so people with high stress levels should be less likely to get sick d. stress weakens the immune system, so people with high stress levels should be more likely to get sick

How can congress clarify parts of the constitution that are unclear?

Which statement best explains how maynard jackson's 1968 decision foretold his future? he was elected mayor of atlanta in 1973 he was elected governor of georgia in 1990. he started his own bond and security business he removed segregation signs form water fountains at city hall

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.