Answer:if you copy and paste the answer to brainly it will tell you the answers that's the best i can sorry
Explanation:
It should not be controversial: it would only make the research less reliable since people would have their opinions about the topic that they would want to defend. It should also not be obscure: then it's hard to check.
The best answer is that it should be multifaceted: it should include a number of aspects, not just one, so that the test can check for those aspects, not just one.
I’m sorry what is the question?
