Life Vision Int. Wb p.27 (Friendship has a limit)
Professor Dunbar has spent his career studying human behaviour.
Animals that live in large social groups need bigger brains than other animals.
Humans evolved to live in small social groups as a way to stay alive.
The size of typical human community has not stayed the same over time.
People who use social media often have closer relationships with their online friends.
Real-life friendship is stronger because of common experiences.
Due to the reseach, the total number of friends you can have is less than 150.
Until the 19th century, the average quantity of people in Ukrainian village was 150.
Until the 19th century, the average quantity of people in British village was 150.
In Ukraine, with social media it's possible to keep in touch with many friends.
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома
