Predicting Groupthink
(A Magic Trick)
Laurence O’Toole
Royal Holloway - Maths Department
MathsJam 2019
Intro Prediction Setup The Game Reveal Outro
Contents
1 Intro
2 Prediction
3 Setup
4 The Game
5 Reveal
6 Outro
Intro Prediction Setup The Game Reveal Outro
Prediction
Night of the Flying Penguin
Favourite colour?
Intro Prediction Setup The Game Reveal Outro
Prediction
Night of the Flying Penguin
Favourite colour?
Intro Prediction Setup The Game Reveal Outro
Prediction
Night of the Flying Penguin
Favourite colour?
Intro Prediction Setup The Game Reveal Outro
Round One
Dawn of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round One
Dawn of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round One
Dawn of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round One - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round One - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round One - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Two
Day of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Two
Day of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Two
Day of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Two - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Two - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Two - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Three
Land of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Three
Land of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Three
Land of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Three - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Three - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Three - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Four
Diary of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Four
Diary of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Four
Diary of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Four - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Four - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Four - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Five
Survival of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Five
Survival of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Five
Survival of the Flying Penguin
Pick a card, any card.
Intro Prediction Setup The Game Reveal Outro
Round Five - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Five - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.
Intro Prediction Setup The Game Reveal Outro
Round Five - Rules
Rule oneIf someone picks your number, thencall out the big word on the back.
Rule twoIf you hear one of the small words onthe back, then sit down.