> For the complete documentation index, see [llms.txt](https://support.happydemics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.happydemics.com/analysis/brand-lift-results/data-enrichment.md).

# Data enrichment

- [How we link survey respondents to your campaign delivery](https://support.happydemics.com/analysis/brand-lift-results/data-enrichment/how-we-link-survey-respondents-to-your-campaign-delivery.md)
- [Reading your Brand Lift results by exposure frequency](https://support.happydemics.com/analysis/brand-lift-results/data-enrichment/reading-your-brand-lift-results-by-exposure-frequency.md)
- [Reading your Brand Lift results by exposure location](https://support.happydemics.com/analysis/brand-lift-results/data-enrichment/reading-your-brand-lift-results-by-exposure-location.md)
- [(old)Reading your Brand Lift results by Exposure Frequency](https://support.happydemics.com/analysis/brand-lift-results/data-enrichment/old-reading-your-brand-lift-results-by-exposure-frequency.md)