In a correlational design, researchers Question 13 options: manipulate changes in the independent variable. gather information on individuals, generally in natural life circumstances, and make no effort to alter their experiences. can infer cause and effect. use an evenhanded procedure to assign people to two or more treatment conditions..

answer; self_ disclosure;

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

was the answer correct?

citizens were able to charge more for their goods and services