If sender or receiver is suffering from short-term memory loss, then it will lead to which of the following communication barriers?

Consider the following statements:

(i) Every person attaches same meaning to a word.

(ii) Communication cannot be continuous.

Which of the above statement(s) is/ are wrong?

For effective classroom communication,

(i) The teacher should encourage creativity in students.

(ii) The teacher should encourage discussions in class.

(iii) The teacher should use a mix of teacher-centred and students-centred approaches.

(iv) There should be pin drop silence in class.

(v) The teacher should teach through lectures only.