We were introduced a powerful way of software testing named peer reviewd. It means the author of the project tests is with his or her colleagues. In this way the software can be estimated rightly.
I refered to some essays to get more information on peer review. Here is the process of peer review:
the author delivers the project;
the author's colleagues have a discussion on it;
the author and colleagues perfect it;
the project is finally deliverd.
But I considered there still are disadvantages in the process:
1] according to some essays, I know that peer review is free at most time, which means people who attend in the review will not be paid for the process. So people may not take it seriously, which results in a condition the software couldn't be improved. And lots of time will be wasted on it.
2] the colleagues' opinions may not be fair. Sometimes it is not the reality but the emotion controls people's mind. So the decision may not be justified.
3] the manager(that means the person who really makes decision) has priority on making decision, which may cause corruption and black case word. It's not fair for the author and the colleagues.
Thanks for your instruction.