You have created a new scale and you test it for validity by giving this to a sample of people, along with a second scale that also measures a construct (one you think will be divergent). At the same time, you are also interested in testing whether your new measure works equally well irrespective of whether it is taken by SAQ or IAQ.

a. divergent construct validity

b. concurrent criterion validity

c. multi trait, multi method matrix

d. predictive criterion validty