The Two Statements Below Refer to a Questionnaire Screener

question 19

Multiple Choice

The two statements below refer to a questionnaire screener.
I.The primary function of a screener is to distinguish between those who
Should be included in the research from those who should not be included.
II.The end result of the screener is an invitation to participate in the research for
All those who qualify.
Which,if any,of these statements is (are) true?

• A)I only
• B)II only
• C)I and II are both true
• D)Neither I nor II are true