Bryan:
Couldn't you test your first possibility --
> 1. Adults have a much higher absolute IQ than kids (i.e., kids' IQs are
> age-adjusted, adults' IQs are not), so they are smart enough to
> recognize the indirect effects of their behavior.
-- by checking whether adults with lower IQs exhibit less cooperative
behavior? Is there any evidence of this?
Yours,
Asa
--
These are the times that try men's souls.
-- Thomas Paine, The Crisis
