Sounds are higher or lower in pitch according to the frequency of vibration of the sound waves producing them. ... A high frequency (e.g., 880 hertz [Hz; cycles per second]) is perceived as a high pitch and a low frequency (e.g., 55 Hz) as a low pitch.
Explanation:
1. They might think that 20 points would not affect them to fail the subject.
2. They would feel a challenge, so they would be late or not attend.
Explanation:
Students thinking that 20 points of their grade will not affect them to pass the subject will consider being late to class or not showing up. They will also think that if they arrive a few minutes before the 10 minutes pass, they will not lose 20 points.
Therefore, young people would always be late for classes, and the teacher would not achieve his goal.
Students can also see that policy as a challenge for the teacher, and it is interesting not to attend classes and ignore the authority of the teacher. For this reason, the measure of the teacher will not work, and the students will continue to arrive late or present absences.
Regardless of how good the teacher´s intentions are in teaching their students the importance of punctuality, new policies can play for and against.
I hope this information can help you.