The quota method is a selection method used for the recruitment of panel households under which the interviewers receive a quota plan with specified characteristics. If a household willing to participate fulfills a combination of characteristics specified in the quota plan, it can be recruited by the interviewer.

The quota procedure includes the following methods:

• CATI recruitment by an interviewer personally on site
• as well as online recruitment in the GfK Nice Quest panel since the beginning of the corona pandemic in 2020