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∂AIL Professor Serge Lang↓Department of Mathematics
↓Yale University↓New Haven, Connecticut∞

Dear Serge:

	I have recently received Lipset's new questionnaire, and I
am interested in your views on two issues.

	1. Are questionnaires hopeless as a way of getting information?
If not, what principles should be adopted?  Can general political
attitudes be obtained by improved versions of the question you
criticized about whether growth of government harmed individual
initiative?  What method would you propose for obtaining information
about views on this particular question?

	2. What would you consider sound practice to avoid political bias,
given that survey researchers often have their own political views?  Do
you consider it specifically worthwhile to attempt to put survey
researchers with right wing views out of business?

	I read your %2New York Review of Books%1 article, although I
don't have it with me now, but I must confess that it impressed me
as too much of an attack on the right by the left without advancing any
general principles applicable to all political tendencies.

	I have been working on artificial intelligence and the mathematics
of proving computer programs correct.

.reg