Which of the following best describes the process of data collection in HEDIS?

The process of data collection in HEDIS is best described by gathering data from multiple sources, which includes claims and medical records. This comprehensive approach ensures that the data is accurate and reflects various aspects of patient care and outcomes. Utilizing multiple sources allows for a more robust analysis, as it combines quantitative data from insurance claims, which detail the services provided, with qualitative information derived from medical records that capture detailed patient information and clinical activities.

By employing this methodology, HEDIS can measure the performance of health plans on key dimensions of care and service, leading to more reliable and valid outcomes. The integration of diverse data sources enriches the analytical process and enhances the overall effectiveness of quality assessments in healthcare settings.