1b b2+ roadmap

Language: English
Subject: English language > Vocabulary
School grade: Russia Russia

Watch the video and answer the questions:
1. What kind of experiment was conducted?
2. How long did it take for people to try and help the author in a) a group of 10 people, b) a group of 5 people and c) a single person?
3. What's 'The bystander effect'?
4. What do people say about the results when the author asks them?