1、Unit 10 Lesson 1How Closely Connected Are We?Learning goals:At the end of the this period,students will be able to:1.understand and describe what the“Six Degrees of Separation”theory is;2.acquire and generalize the information about the development of the theory;3.talk about the“Six Degrees of Separ
2、ation”theory.导1.Who is your favorite star?2.Do you want to contact with her?Theory:Six Degrees of Separation思1.What does“Six Degrees of Separation”theory mean?2.When was the concept first talked about?3.Who introduced the theory?Read the first two paragraphs:You!A Stranger!12354Task 1:fast-readingIn
3、 the 1920s,Frigyes Karinthy invented the thoery,which means any person on Earth can be connected to any other person thorough a chain of no more than five other people.Para 1-2:How-He chose a random sample of people in the middle of America and asked them to _to a stranger in the state of Massachuse
4、tts.Who-_In 1967Findings/Results-It only took between _people to get the parcels delivered.send packagesfive and sevenExamples to prove the theoryLine21:“small-world problem”Task 2:Careful-readingStanley MilgramHow-They _ a game,the idea of which was to link any actor to Kevin Bacon through _six lin
5、ks.Who-Two college students in the United StatesIn the mid-1990sFindings/Results-The game _ in universities across the United States.inventedno more thanwas being playedExamples to prove the theoryHow-Columbia University tried to recreate Milgrams experiment on the Internet.It involved 24,163 email
6、chains with _ in 13 different countries.Who-Columbia UniversityIn 2003Findings/Results-It _ that the average number of links in the chain was _.18 target peopleconfirmedExamples to prove the theorysixLine 51:“Columbia Small-world Project”How-The experiment analysed the relationship between 721 milli
7、on _ users.Who-the University of MilanIn 2011Findings/Results-92%were _ by only four stages,or five degrees of separation.social mediaconnectedExamples to prove the theorysix four/five degrees of separation.In the mid-1990sHow Closely Connected Are WeIn 1967Text builderHow Closely Connected Are We?I
8、n 2011In 2003Examples to prove the theoryIntroductionConclusionThe theory“Six Degrees of Separation”was first talked about in the 1920s.People are closely connected.A person can be connected to anyone through no more than five other people according to the theory.议1.Why did Milgram and Columbia Univ
9、ersity both label their experiments“Small-world”?2.Why do you think people study how people are connected?Discuss the questions in groups.Keys:1.Because they believed that any person on Earth couldbe connected to any other person through a chain of no more than five other people.In this sense the wo
10、rldis small.2.Probably people want to study the structures of human society,the rules of human social activities,and how people are connected with each other.You are a student in grade 2.You are going to send a book to a student,who you dont know,in grade 1,but you only know his name.How will you do
11、?You can not ask a teacher for help!检 Referring to the theory that any person on Earth can be connected to any other person through a chain of no more than five other people,“Six Degrees of Separation”was first talked about as 1._(early)as the 1920s.In the 1950s,two scientists made an attempt 2._(pr
12、ove)the theory 3._(mathematic),but failed.In 1967,American sociologist Stanley Milgram tested the theory with a new method called the“small-world problem”,and it was this research 4._ inspired the phrase“Six Degrees of Separation”.With the theory and the phrase 5._(appear)again in the last few decad
13、es,the name of“Six Degrees of Separation”was used 6._ the title of a play and then a movie.Afterwards,7._(base)on the concept,more movies and TV programmes were made and broadcast.earlyto provemathematicallythat having appearedasbased In 2003,Milgrams experiment 8._(try)online.Known as the“Columbia
14、Small-world Project”,the experiment 9._ results confirmed that the average number of links in the chain 10._(be)six involved 24,163 email chains with 18 target people in 13 different countries.And most recently,in 2011 an experiment at the University of Milan found 92 percent social media users were connected by only four stages,or five degrees of separation.was triedwhosewasGoodbye!
