The research projects found in this collection have the PCORnet® Study designation. This attribute represents a deeper level of partnership with PCORnet than standard Network use. These studies face a rigorous application and must meet certain requirements to receive the PCORnet® Study designation. They typically designed to address specific healthcare questions or challenges, focusing on patient outcomes, treatments, or healthcare delivery. They involve detailed study designs, including hypotheses, methodologies, and data collection processes, and often result in published research findings.