Simply put, first test the things you’re most dubious about. Take the condition the team feels is the least likely to hold up, and test it first. If the team’s suspicion is right, that possibility will be eliminated without the need to test any of the other conditions. The possibility has already failed an essential test, so no more tests are necessary. If, on the other hand, the possibility passes the first test, move on to the condition with the next-lowest confidence level, and so on. Since testing is often the most expensive and time-consuming part of the choice process, this approach can
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