Reciprocal teaching is a method to enhance understanding by questioning process, clarifying and summarizing by teacher or participants. It is based on Zone of Proximal Development by Vgotsky; an active learning that a scaffolding experience can help learners to clarify and establish concept before the learners moves on to further learning.
Scaffolding itself means a link that can help to take the learner out of his or her comfort zone and into a new learning skill.