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Topic: Tit for Tat
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Keith Alford

Posts: 6
Registered: 12/6/04
Tit for Tat
Posted: Mar 19, 2002 8:46 PM
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This is absolute nonsense! What is in it for any one? Let’s take it
things at face value; we believe the selection of pairs is random.
A good student, top of the class, has high probability of being paired
with a student from the lower 50% using uniform distribution.
Therefore, why would that student put any effort into taking the test?
The expected outcome is low!
A poor student at the bottom of the class has a high probability of
being paired with someone more capable! So that student has an
expectation of higher grade than normal. What is that student’s
incentive to do anything?
The student in the middle has a choice to gamble, but why? So we end
up with a set of low-test scores!
I think that who ever came up with this scheme needs to do some hard
reading in the work of evolutionary psychologists. Look for the “Tit
for Tat” game-models for ethics. So, there must be build in some
positive outcomes for everyone.

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