> "A good question doesn’t give advice, check hypotheses, impose a perspective, share an opinion, make a suggestion or leave the other person feeling judged or

> "A good question doesn’t give advice, check hypotheses, impose a perspective, share an opinion, make a suggestion or leave the other person feeling judged or cornered." By this criterion there are rarely any good questions asked at academic talks. The structure there is more like questioners firing tennis balls at the speaker who then tries to knock them back. There are exceptions, and some good questions involve restating something the speaker said, and asking the speaker to expand on it or explain it in more detail, which they're usually happy to do.