An e-learning company prepares online exams for students. it wants to test a new type of question on its target audience and needs to ensure that the students will not skip the new question. based on the responses, the company will determine whether the new question type is appropriate. which method should the company use to obtain accurate data for its study?

a. the company should introduce the new question type only at the beginning of the test.
b. the company should not introduce the new question type in the test.
c. the company should randomly introduce the new question type among other questions in the test.
d. the company should introduce the new question type only at the end of the test.