Practice Questions

Posted by: 300ta | April 9, 2014

Hi all, Here is where you can find a set of practice questions in preparation for your final exam (which is on April 24th, 2014 @ 12:00pm).  Click on this link for the document.  A review session date/time will be announced as soon as it is known.  Good luck! -TAs

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Ultimatum Game Results

Posted by: 300ta | March 21, 2014

On Thursday, Mar 20, we conducted a Ultimatum Game tournament with 3 Phases of 5 rounds. Phase 1 played humans against humans as both Giver/Offerer/Player 1 and Taker/Receiver/Player 2. Phase 2 had your fixed strategy (“computer program”) as Player 2; Phase 3 had your computer program as Player 1. The hypothesis (from the Sanfey reading) [...]

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COGS lab door

Posted by: 300ta | March 18, 2014

Hi all, Our lab’s door leading to the outside court space is somewhat broken.  When leaving the lab, please make sure that you pull/push the door shut to make sure it is not open to the public.  We are having it fixed asap. Thanks!

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Schedule/Readings List Update

Posted by: 300ta | March 7, 2014

There has been changes made to the schedule; please check the new uploaded document under “Lectures and Readings”. Changes made (March 07, 2014): Two co-authors of references 23 and 24 had their surnames and given names reversed in the citations given in the readings list.

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Repeated Prisoner’s Dilemma Results

Posted by: 300ta | February 14, 2014

On Thursday, Feb 14 we played a indefinitely repeated prisoner’s dilemma  (IPD) tournament, with 2 phases (human-human and computer-computer) of 10 rounds each of playing a randomly selected opponent. The humans did not know the length of the tournament and the “computer” scripts were not supposed to use the 10 round length. 33 played in [...]

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Game Theory Practice Site

Posted by: 300ta | February 12, 2014

Here are Jian Chen’s slides for February 11th. You will find the website on Game Theory and instructions on how to submit your strategies.    

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Labs on the Week of Feb. 10-14

Posted by: 300ta | February 3, 2014

Here is an *updated* reminder: there will be no labs on the week of Family Day.  Please email your group reports to cogs300 [at] gmail [dot] com by Feb. 10th (for Monday’s lab) and Feb. 12th (for Wednesday’s lab) at 5:00pm. Due to Reading Break, we will resume labs on the week of Feb. 24th-28th, [...]

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Prisoner’s Dilemma Tournament Results

Posted by: 300ta | January 31, 2014

On Jan 30 we played 5 rounds of Prisoner’s Dilemma in Human vs. Human mode, and then 5 in Computer vs. Computer mode. The results show that Humans and Computers played differently:   Human players cooperated more initially, and then changed to defection. Computer players showed less change. The righthand chart counts players by the [...]

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Coordination Game Tournament Results

Posted by: 300ta | January 17, 2014

Coordination game; each phase is rounds of play with feedback from previous round. Phase 1, Humans-Humans, averaged 3.20 points per player. Phase 2, Human – Computer, averaged 3.60  (given the symmetry of the game, humans and computers get the same score) Phase 3, Computer – Human, averaged 2.53. Together, these last 2 phases average 3.07. [...]

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Robot Ethics Survey

Posted by: 300ta | January 6, 2014

We will discuss the Robot Ethics Survey in class on Thursday, 9 Jan. You are invited to take this survey here. When asked for a class code, use Simon to identify yourself as a member of our class; the survey is otherwise anonymous. It is not required and is not graded.  

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