Why was the end of the 19th century known as the "Age of Imperialism"?

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.

What does one prolonged blast and one short blast mean?

Match the career choices to the personality traits they exhibit. tiles openness agreeableness extraversion conscientiousness pairs brian aspires to join politics and is a gifted speaker. arrowboth daphne aspires to be an investigative agent. arrowboth joe wants to pursue a career in industrial design where he wants to design cars. arrowboth jessica aspires to be a nurse and take care of the aging. arrowboth