In Opensurvey Analytics, the 80% confidence level, which is commonly used in marketing research, is provided as the default, taking into consideration the primary user base.
When analyzing the results of marketing research, the focus is on examining differences in awareness and behavior between groups in detail. Understanding the differences in awareness and behavior between groups helps identify the core target customers or customers to avoid for a particular brand. Therefore, the 80% confidence level is applied to enable more detailed observation of even small differences.
If you need to apply a more rigorous confidence level, you can change it at any time.