Palm Participatory Simulations Eric Klopfer MIT Teacher Education Program

Tit for Tat Click on the Prisoner Game Click on the Prisoner Game Enter your name using the keyboard just like big fish little fish Enter your name using the keyboard just like big fish little fish Click Start to begin Click Start to begin

Playing the Game Click on the strategy that you would like to use Click on the strategy that you would like to use Click Hide to hide your choice. Click Hide to hide your choice. You Me DefectCooperate Defect 1 5 Cooperate 0 3

Playing the Game When your decision is hidden. Find someone else to play with. When your decision is hidden. Find someone else to play with. Align your Palms and click Meet Align your Palms and click Meet The result of your last interaction is displayed on the screen The result of your last interaction is displayed on the screen Your score is also displayed, and your Predominant Strategy is also displayed by default Your score is also displayed, and your Predominant Strategy is also displayed by default

Changing Parameters You can change certain parameters in Tit for Tat to see how it effects game play You can change certain parameters in Tit for Tat to see how it effects game play Choose New Game from the Options Menu and click Yes Choose New Game from the Options Menu and click Yes Next choose Set Preferences from the Options Menu Next choose Set Preferences from the Options Menu

Changing Parameters You can change the following: You can change the following: Scores for different strategies Scores for different strategies Whether you must meet a given player more than once Whether you must meet a given player more than once How many opponents you can play How many opponents you can play What is displayed on the screen What is displayed on the screen

Starting Anew Let’s adjust one of the parameters Let’s adjust one of the parameters Click on the parameter and click the adjust arrows Click on the parameter and click the adjust arrows Note everyone must make the same adjustment. The game checks to see if you are playing with the same parameters as your partner Note everyone must make the same adjustment. The game checks to see if you are playing with the same parameters as your partner Click OK. Click OK. Enter your name and Start Enter your name and Start

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