Tuesday, February 14, 2012

Card Playing

Though the title of the post may seem frivolous, this is meant as a serious message.  I'm guessing that several of you have played poker, and not just penny ante. I wonder if any of you have played bridge.  It is the ideal card game for talking about the issues in chapter 5.

In all card games each player is dealt some cards that they see and the other players do not.  This is an example of private information. After the deal has concluded but the play hasn't yet started, each player knows what is in their own hand, but not what is in the hands of the other players.  In some card games those cards are then revealed sequentially during the play.  The play of the cards can communicate not just what has happened, but what cards remain as private information.  In poker, it is the betting that offers the possibility of communicating.

Bridge is interesting here because it is a team game and the effectiveness of the team depends in part on how well messages that are sent are understood by the partner.  There is also usually a logic to the sequencing of the play of the cards.  Effective teams find the right sequence.

If you have trouble coming up with examples for the prompt this week, it's okay to use card playing as one such example.

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