You are a researcher interested in creating a new test to measure levels of depression in teenagers. You make your test by borrowing questions from other depression tests that already exist and have high validity and reliability. Which approach are you using to create your test

the answer your looking for is c. : )

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."

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