please send correct answers so i can do helpful

QUESTION 9 Distractors that are obviously incorrect O a. increase the reliability of the test. O b. have no impact on the reliability of the test. O G. reduce the likelihood of correct guessing. O d. lower the reliability of the test. QUESTION 10 Under what circumstances is construct validation essential? O a. when a single, large-scale validation study is to be performed O b. when the test has some type of novel approach c. when no criterion or universe of content is accepted as adequate to define the quality O d. when insurance reimbursement is going to be sought QUESTION 11 A test format that is typically used for attitude measurement is the O a. dichotomous format. O b. category format. O c. Likert format. O d. checklist format