Observation

From Teflpedia

An observation (/ɒbzəveɪʃən/; often lesson observation (/lesən ɒbzəveɪʃən/) or classroom observation /klæsru:m ɒbzəveɪʃən/) is a is a formal or informal observation of teaching while it is taking place in a classroom.

Managers may observe classes as part of their duties. Teachers may also observe their peers (peer observation).