PRISONER’S DILEMMA
2 guys hold up a bank and they are both arrested by the police and interrogated separately.
You have to decide whether you will stay silent or betray the other prisoner. You don’t know what the other prisoner is going to say, so you have to take a risk.
There are 4 possible results shown in the table below. (on the worksheet it is on a grid, so it's clearer) See http://en.wikipedia.org/wiki/Prisoner
Prisoner A Stays Silent
Prisoner B Stays Silent
Each serves six months
Prisoner A Stays Silent
Prisoner B Betrays
Prisoner A serves ten years
Prisoner B goes free
Prisoner A Betrays
Prisoner B Stays Silent
Prisoner A goes free
Prisoner B serves ten years
Prisoner B Betrays
Prisoner A Betrays
Each serves five years
Give out the sheet, read it and explain that there are 4 outcomes.
Write on the board
If prisoner A stays silent and prisoner B betrays, prisoner A will go to prison for 10 years and prisoner B will go free.
Elicit and analyse form
Get the students to write 3 sentences for the 3 other outcomes.
Students in pairs represent one prisoner and decide what they are going to do. Assign which pair is going to play against which other pair. Get them to write their decision on a paper with their names on it and then collect them and read out the verdict.
They all chose to betray........
______________________________
Lead in:
Short story about a bank robbery
Using ESL material from this website.
http://www.rong-chang.com/qa2/stories/story041.htm
Vocab, match the definitions:
Chuckle to analyse or observe closely
Circle esposas
Dummy without confidence
Examine estomago
Explode under the shadow of a tree or a building
Fake team
Grenade use a barrier to prevent entry or exit
Handcuff An immitation of a real object
Lobby Hall
Nervously To laugh
Robbery the noise a police car or a fire engine makes
Shade false
Siren the act of stealing
Squad cajero
Stomach a small bomb usually thrown by hand
Teller to burst violently as a result of internal pressure
Seal off to go around
Students match the definitions
Cut up the paragraphs of the story and
put the paragraphs in order
TEENS! We recycle paper when we can, so the order the paragraphs exercise was done on pages with a picture on the other side. They all turned it over and put the page in order according to the picture ... grrrr
Make a list of the following:
All the people mentioned in the story
All the noises that could be heard in the scene
All the evidence that the police can gather from the scene
Role play, police question the girl about what happened
Preparation time, A write the questions, B write notes about what happened.
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1 comentario:
It bothered me that they all chose to betray but thinking about it, they all chose this option because it was the best one. In future I might get to discuss what they would do, but when we play the game, get them to choose cards with random options on them, so that we have a variety, then they can write sentences about what possible outcomes will arise depending on what the other person has chosen to do.
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