Maybe that's the problem ... the orientation of the cooperate/defect
decision is always pair-wise between two prisoners.  Perhaps it's not as
confusing that way.

-T

On Sun, Apr 4, 2010 at 12:28 AM, Nicholas Thompson <
[email protected]> wrote:

>  I ferociously disagree.  I found that students were always confused by
> it.  In the first place, the four payoff boxes are misnamed because, "to
> cooperate" in that situation means to cooperate with the police, hence to
> defect.   "Defect" is also a misleading term.
>
> I also don't see how the cooperation dilemma is different from the
> prisonners dilemma.  Just change the headings to sheep grazed on the common
> and the payoffs to sheep weight gain and everything else remains the same.
>
> N
>
>  Nicholas S. Thompson
> Emeritus Professor of Psychology and Ethology,
> Clark University ([email protected])
> http://home.earthlink.net/~nickthompson/naturaldesigns/
> http://www.cusf.org [City University of Santa Fe]
>
>
>
>
>
> ----- Original Message -----
> *From:* George Duncan <[email protected]>
> *To: *[email protected];The Friday Morning Applied Complexity
> Coffee Group <[email protected]>
> *Sent:* 4/3/2010 3:47:52 PM
> *Subject:* Re: [FRIAM] Slashdot Science Story | Twins' DNA Foils Police
>
> Nick,
>
> I find that the Prisoner's Dilemma is a useful way of thinking about how
> people's behavior can be manipulated by those with some control over the
> reward structure (say the prosecutor). And a PhD student (now professor) and
> I (now artist) did a paper on what someone without such control (say the
> defense attorney) can do to get them out of the prosecutor's trap.
>
> The Tragedy of the Commons is different, and a really useful way of
> thinking about the need in some cases for social controls to promote
> cooperation.
>
> I do find that students still find the Prisoner's Dilemma cute, maybe even
> opens up there minds a bit to how social decision making differs from
> individual decision making.
>
> George
>
> On Sat, Apr 3, 2010 at 3:29 PM, Nicholas Thompson <
> [email protected]> wrote:
>
>>  George,
>>
>> you are, of course, absolutely correct.
>>
>> That is always a weakness to the PD story, which is, at base, a really
>> stupid way to think about cooperation issues.  It is one of those ideas
>> which was sort of cute at the time, got into all the text books, and has
>> been drilled into the heads of two generations of students, but really
>> doesnt adequately represent the crucial variables in the situation and
>> should have been dropped about two decades ago.   It is a case of scientific
>> mob thinking at its absolute worst.
>>
>> The tragedy of the commons model is much clearer and avoids all the cutsy
>> language that has been promoted by people who know bfa about prisoners and
>> their dilemmas.
>>
>> Nick
>>
>>
>>
>>  Nicholas S. Thompson
>> Emeritus Professor of Psychology and Ethology,
>> Clark University ([email protected])
>> http://home.earthlink.net/~nickthompson/naturaldesigns/
>> http://www.cusf.org [City University of Santa Fe]
>>
>>
>>
>>
>>
>>  ----- Original Message -----
>> *From:* George Duncan <[email protected]>
>> *To: *The Friday Morning Applied Complexity Coffee Group<[email protected]>
>>   *Sent:* 4/3/2010 3:11:29 PM
>> *Subject:* Re: [FRIAM] Slashdot Science Story | Twins' DNA Foils Police
>>
>> What makes this not a Prisoner's Dilemma is there is no incentive for
>> James to rat on John and no incentive for John to rat on James.  James and
>> John have an optimal strategy of stonewalling.
>>
>> Poor prosecutor! Hard to see how the prosecutor can set up a Prisoner's
>> Dilemma here, at least without deception.
>>
>> On Sat, Apr 3, 2010 at 2:09 PM, Owen Densmore <[email protected]>wrote:
>>
>>> Now here's a new twist on the Prisoner's Dilemma:
>>>    http://slashdot.org/story/10/04/03/1539224/
>>>
>>>    -- Owen
>>>
>>>
>>>
>>> ============================================================
>>> FRIAM Applied Complexity Group listserv
>>> Meets Fridays 9a-11:30 at cafe at St. John's College
>>> lectures, archives, unsubscribe, maps at http://www.friam.org
>>>
>>
>>
>>
>> --
>> George Duncan
>> georgeduncanart.com
>> represented by Artistas de Santa Fe
>> www.artistasdesantafe.com
>> (505) 983-6895
>>
>> Life must be understood backwards; but... it must be lived forward.
>> Soren Kierkegaard
>>
>>
>> ============================================================
>> FRIAM Applied Complexity Group listserv
>> Meets Fridays 9a-11:30 at cafe at St. John's College
>> lectures, archives, unsubscribe, maps at http://www.friam.org
>>
>
>
>
> --
> George Duncan
> georgeduncanart.com
> represented by Artistas de Santa Fe
> www.artistasdesantafe.com
> (505) 983-6895
>
> Life must be understood backwards; but... it must be lived forward.
> Soren Kierkegaard
>
>
> ============================================================
> FRIAM Applied Complexity Group listserv
> Meets Fridays 9a-11:30 at cafe at St. John's College
> lectures, archives, unsubscribe, maps at http://www.friam.org
>
============================================================
FRIAM Applied Complexity Group listserv
Meets Fridays 9a-11:30 at cafe at St. John's College
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