To what extent will you be motivated to study under the following circumstances? The instructor gives only

Question:

To what extent will you be motivated to study under the following circumstances?
The instructor gives only one test-a final examination at the end of the course.
The instructor gives for exams during the term, all of which are announced on the first day of class.
The student's grade is based on the results of numerous exams, none of which are announced by the instructor ahead of time.