This is one of several studies that Taffy published on Question-Answer Relations. In addition detailing the internal workings of QAR pedagogy, the study also illustrates a classic gradual release of responsibility pedagogical model.
Increasing students’ awareness of sources of information for answering questions. Raphael, T. E. & Pearson, P. D. (1985)
*1985.Raphael&Pearson.AERJ.1985.IncreasingStudentAwarenessofsourcesofInformation copy