5 techniques would be
1. stay open-minded, if you are open minded then you tend to listen better
2. Keep anything that will distract you away if you get distracted by say staring at a phone you will lose focus.
3. Keep eye contact with the person speaking eye contact will keep you engaged in the conversation
4. Talk about something you are interested in this will make sure you are listening
5. practice self-discipline keep yourself engaged by making yourself overcome any urges to get distracted.
Alexander Graham Bell's greatest accomplishments were the invention of the telephone (1876) and the refinement of the phonograph (1886). Bell revolutionized communication as we know it and paved the way for more inventors to improve communication as we know it now.
hope that helped :)
Show them examples of what the outcomes may be and show them videos and pictures of what could happen to them.
