When completing a test as part of a selection battery, Siri can tell that one of the tests is definitely designed to assess her integrity. To Siri, this makes sense given that the job involves regularly handling large sums of money. For Siri, this test demonstrated .

High face validity

Explanation:

Face validity refers to the degree to which an assessment or test subjectively appears to measure the variable or construct that it is supposed to measure. In other words, face validity is when an assessment or test appears to do what it claims to do.Tests wherein the purpose is clear, even to naïve respondents, are said to have high face validity.

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."