"others want the person to explain their reasoning," I think far more people use whiteboard questions in that context than the article's author thinks. " If t

"others want the person to explain their reasoning," I think far more people use whiteboard questions in that context than the article's author thinks. " If the candidates guess incorrectly, they will fail the question, regardless of who they are or how good they know their trade." I don't know about your experience, but in my experience candidates actually ask questions if you properly set up the problem and present an inviting atmosphere. And in my experience the best programmers are those that aren't afraid to ask good questions.