Which of the following are useful in overcoming communication barriers in a classroom?

Overcoming classroom communication barriers is helped by identifying the level of redundancy, giving and inviting feedback, and using simple clear language.

Statement 1, judging how much repetition a message needs, lets the teacher reinforce ideas without boring or losing learners.

Statement 3, giving and inviting feedback, closes the loop so misunderstandings surface and get corrected.

Statement 4, using simple and clear language, cuts semantic noise and keeps meaning shared.

Statement 2, the use of unfamiliar words, works against clarity by raising semantic barriers.

Well managed redundancy and active feedback together make teaching reach every learner.