Lots of why did you, why didn't you, what about this, how did you deal with that (and back to why). :-) I signal a lot of things like testing by asking them. I

Lots of why did you, why didn't you, what about this, how did you deal with that (and back to why). :-) I signal a lot of things like testing by asking them. It gives room for the candidate to ask those sorts of questions back about how we do things.