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Quota: not all of the respondents can go through all the questions in polit

Hi Sawtooth supporter,

I met a problem about my quota during the pilot. It was fine during the test.

Our survey has three parts of the experiment, and each part has few treatment groups (specifically, 3 treatments in part1; 2 treatments in part 2; 4 treatments in part 3; 2 treatments in part 4). details of the quota setting like this: Quota 1-3 belong to part 1; Quota 4-5 belong to part2; quota 6-9 belong to part 3; and quota 10-11 belong to part 4.

From the pilot results, we found that respondents from the last quotas of  the first three parts cannot complete the survey. More specifically, the complete rate of quota 3, quota 5, quota9 are 67%, 94%, and 44% respectively. But other quotas' complete rate is 100%.

I am guessing this may be because once the survey system considers the last stage quotas are full, it will not allow the people who are doing the survey to complete. We got the total number of respondents that equals to the number we set for each part limit, but, we cannot get enough the complete number in the last quotas of the first three part.

I don't know if this problem is caused by I chose ''do not use predictive quota control'' in advanced quota setting. In order to solve this problem, should I change to ''use predictive quota control'' and select ''use projected completion rate'' and setting 60 percent of in progress?
Please let me know if you need more details.

Many thanks
asked Mar 12, 2018 by hanjin (330 points)

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