Which of the Following Is Not True of Reciprocal Teaching

Which of the following is not true of reciprocal teaching?

A) Reciprocal teaching improves reading comprehension scores, but the gains fade unless maintained by constant teacher support.
B) Reciprocal teaching involved pairs of students alternately playing the role of teacher and student.
C) Reciprocal teaching is based on Vygotsky's zone of proximal development.
D) Reciprocal teaching gives students the opportunity to learn how to summarize, question, clarify, and predict upcoming events as they read.