Hi,
The randomized response model may be of use to
you. Take a look at this link:
http://www.dartmouth.edu/~chance/teaching_aids/RResponse/RResponse.html
Paul Johnson
Biostatistical Software
http://www.biostatsoftware.com
--- "Joshi, Adarsh" <[log in to unmask]> wrote:
> Dear Colleagues,
>
> I am trying to design a survey for college students.
> One of the critical
> questions of the survey would be the respective GPAs
> of the concerned
> students. However, I am skeptical if people,
> especially those with GPAs in
> the lower range, would choose to answer this
> question. And there's a
> possibility that many people may answer the
> questions wrongly. This might
> lead to a sample bias and the conclusions of the
> survey might be all wrong.
> Hence, I seek your help on tackling this problem.
> Please let me know what
> you feel about the situation. Are there any books or
> published articles on
> the topic that you know of?
>
> Awaiting your response,
> Adarsh Joshi
>
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