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Posted by Mike Curtis on June 30, 1998 at 17:42:17:
In Reply to: Re: Re: Re: Re: Re: Re: Re: Re: Banner Ad / Online Survey Combinations posted by Sherman Whipple on June 30, 1998 at 16:44:01:
"The nonresponse error terms are biases, deviations between the sample-based estimates and the true value expected over replications of the survey."
Groves, Robert M., Survey Errors and Survey Costs, New York, John Wiley & Sons, 1989.
Subject: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Banner Ad / Online Survey Combinations