Description
Please give a first short description of this method

This method is used in lectures. This method is developed by physicist Eric Mazur. Peer instruction method is interactive teaching method wich uses peer discussion as a way for students to deepen their  understanding of a concept by learning from each other.

Role play is a simulation technique when students have to pretend or to put themselves into someones shoes. The roles can be assigned to the students in order to explore the scenario, apply skills (maybe communication, negotiation, debate etc.), experience the scenario from another viewpoint, etc.