The original question was how to come up with a unique identification
that would be known only to the respondent and would be remembered.
As long as they put in 4 Latin characters followed by 6 Arabic numbers
(that could pass for a date ... I don't check). Maybe they used their
girl friend's name and gave the date of Roosevelt's election. I don't
care than they remember what they did and could reconstruct the id. I've
yet to meet an (adult) respondent who did not know his mother's maiden
name and her birthdate. :)
Bob Hayden wrote:
>
> You must have a different audience than I if you think they can spell
> other people's names, remember numbers, identify and encode playing
> cards, know their mother's maiden name and birthdate, etc. The task
> needs to be one they are capable of and motivated to attempt. Maybe
> the survey could include a copy of (part of) a dollar bill. The
> serial number on the bill is the ID. Respondents are asked to copy it
> down and put it on each subsequent response. When the study is over,
> everyone who has submitted a full set of responses gets the real
> dollar bill.
>
> It might need to be $5, $10 or $20 or even higher depending on the age
> and wealth of the respondent, and how much work is involved in
> answering all the questions.
>
>
> _
> | | Robert W. Hayden
> | | Work: Department of Mathematics
> / | Plymouth State College MSC#29
> | | Plymouth, New Hampshire 03264 USA
> | * | fax (603) 535-2943
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> | ) Ashland, NH 03217
> L_____/ (603) 968-9914 (use this year-round)
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