Agraduate student is almost done with his dissertation when he is informed that twenty years ago someone did a very similar project and already demonstrated what he had hoped to be the first to discover. what basic step of the scientific method could have saved him from this problem?

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.

Is it true the ancient egyptians created a calendar that had 10 days in a week

Adeism protected the rights of the people under an agreement between rulers and the people. select the best answer from the choices provided t f