Teachers can use the approach, say the authors, at different points: to introduce students to a new unit, to assess students’ knowledge to see what they need to understand better, or for students to set a fresh learning agenda for themselves. It can be used develop science experiments, create their own research projects, begin research on a teacher-assigned topic, prepare to write an essay, analyze a word problem, think more deeply about a challenging reading assignment, prepare an interview, or simply get themselves “unstuck.”