Failure of the teacher to communicate his ideas well to the students may result in

Poor communication of ideas can cause all three: classroom indiscipline, loss of interest, and rising absenteeism.

Classroom indiscipline alone is only one consequence of failed communication.

Loss of students' interest in the topic alone is a second, separate result.

An increased number of absentees alone is a third outcome, not the whole.

Effective communication is the heart of the teaching-learning process.

When the message fails, attention, order and attendance all decline together.