By Emily Webber, PhD , Senior Director of Partner Insights & Enablement at Truveta One question I often hear from researchers is, “Should I use EHR data or claims data?” The better question is often, “What am I trying to learn?” When you’re designing a study, one of the earliest decisions isn’t which dataset to use. It’s which lens you need. Electronic health record (EHR) and closed claims data were created for different purposes, and those purposes shape the kinds of research questions each can answer well.