The strength of the RCT rests on its excellent internal validity, which is based largely on the power of randomisation to ensure that the only difference between two treatment arms is their exposure ...

Observational research is core to drug development, helping researchers understand the natural history of diseases and the real-world impact of treatments on patients. Observational studies frequently ...

Comparative effectiveness research increasingly is being recognized as a priority area in cancer research. Although researchers have been conducting comparative effectiveness research for decades, ...

Observational studies are critical in evaluating the long-term safety and effectiveness of new therapies on patients’ lives. However, two major shifts are significantly changing the research ...

Companies need a blend of quantitative and qualitative data for a comprehensive view of their customers. The purpose of observational research is to understand what people are doing. The purpose of ...

Nancy Dreyer, PhD, MPH, FISE, chief scientific advisor to Picnic Health, shares some of the ways that direct-to-patient approaches have improved observational research. Direct-to-patient approaches ...