Who's Asking?.

To begin, let’s consider what we might ask our students. The least interesting questions are those with straightforward factual answers. That’s why a number of writers have encouraged the use of questions described variously as “true” (Wolf, 1987), “essential” (Simon, 2002), “generative” (Perkins, 1992; Perrone, 1998), “guiding” (Traver, 1998), or “fertile” (Harpaz & Lefstein, 2000). What the best of these share is that they’re open-ended. Sometimes, in fact, no definitive right answer can be found at all. And even when there is one – or at least when there is reason to prefer some responses to others – the answer isn’t obvious and can’t be summarized in a sentence.