You do both. You come up with a test, yes, and you come up with an idea of what it will mean if the test either confirms or rejects the hypothesis. And no, pro

You do both. You come up with a test, yes, and you come up with an idea of what it will mean if the test either confirms or rejects the hypothesis. And no, promise can mean exactly what I said it can mean. https://en.oxforddictionaries.com/definition/promise https://en.oxforddictionaries.com/definition/promise From the article: > To justify substantial investments, I am told, an experiment needs a clear goal and at least a promise of breakthrough discoveries That sentence is meaningless if "promise" means "A declaration or assurance that one will do something or that a particular thing will happen" -- the "at least" is totally redundant in that interpretation. If it means "the quality of potential excellence", then "at least" makes perfect sense.