Tips for Passive Metering Tips for Passive Metering 71 Periodic surveys improve retention for passive measurement panels Passive measurement panels need not be passive in all respects. In fact, panelists need incentives and triggers to stay compliant and active. For example, if they choose to replace their smartphone or PC, they may forget to reinstall the metering app. Periodic surveys to check in with panelists increases retention and the likelihood that panelists will keep their devices and meters active. Source: Verto Analytics © 2017 GRBN Participant Engagement Handbook | 168 © 2017 GRBN Participant Engagement Handbook | 169