Multiple accounts per household are allowed but only one person per household can take part in a particular study. We have a mechanism in place that stops participants with the same IP address accessing a study.

Please keep in mind that a household is anyone sharing an IP address with you. This is at home, your workplace, school, etc.

Here is an example:

If person A and B are from the same household and person A participates in Study X then person B will automatically be ineligible for Study X. Person B will only be eligible for studies that person A has not completed and vice versa.

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