A New Test for Anxiety Is Initially Given to Individuals

A new test for anxiety is initially given to individuals who are waiting to take introductory psychology final exams. Their scores are used as the norm. It is later determined that the new test lacks adequate standardization. What is the MOST likely reason based on this information?

A) The test was initially administered to students, but in practice, it was administered to nonstudents as well.
B) Students about to take an exam would likely be experiencing higher than normal anxiety.
C) The initial test was administered before the students took their exams rather than after the exams.
D) All of the students' initial scores were used in determining the norms for scoring the live tests.