Which of the statements about reviews are correct?
I. Reviews are useful because, through their use, defects can be found early, resulting in cost savings.
II. Reviews are useful because they help management understand the comparative skills of different developers.
III. Testers should not get involved in specification reviews because it can bias them unfavorably.
IV. Many early defects are found in reviews, lengthening the time needed for the development life cycle
Select one or more of the following: