Multi-target studies

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Objective: awareness that subsamples from different countries can be inside the same event

eventId: 101576
subsampleId Germany #1: 101675
subsampleId Germany #2: 101676
subsampleId Russia: 101679

Multi-target studies means that there are more than 1 subsample for the same country inside the same event.

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Subsamples inside the same event - respondent selection

A respondent should be selected only for one of the subsamples in the same event, because if he completes the survey being selected for one subsample he won't be able to access the survey as part of te second subsample.

This is to ensure that a respndent is not counted twice as a complete in the survey data delivered to clients.

An event with 2 different subsamples for Germany and United Kingdom