To gain valuable feedback from your surveys, you'll want to ensure a high participation rate, as this is a crucial indicator of the quality of your survey results. High participation leads to more data, which means you have varied perspectives and better understand your employees' needs.
Participation rate over time
You can see the participation rate over time and for each round in your survey insights under the 'Participation rate' tab ('Surveys' tab > 'Your surveys' > click on the relevant survey > 'Participation rate'). These participation rates are not aggregated, meaning you can see exactly how many employees were surveyed, and how many employees answered in each round. The average participation rate over time is displayed next to the graph: