Microteaching is a teacher training technique developed in the 1960s involving teaching a short lesson to a small group of students while being observed. It aims to build teaching skills like lecturing style, confidence, and the ability to incorporate constructive feedback. The microteaching process involves teaching a lesson, receiving feedback, revising the lesson plan, re-teaching to another group, and getting additional feedback in order to improve. It allows teachers to practice specific skills like questioning, exemplifying concepts, and summing up in a low-pressure environment.