Setting dates exactly one month apart for exams is an example of testing on a
A)variable interval.
B)variable ratio.
C)fixed ratio.
D)fixed interval.

Question

Quizplus · Accepted Answer

Setting exams exactly one month apart is an example of testing on a fixed interval. This is because there is a set period of time between each exam, rather than a certain number of exams that need to be taken before the next one.

Setting Dates Exactly One Month Apart for Exams Is an Example