Through direct observation of people, marketing specialists are able to identify actions and watch how subjects respond to various stimuli. For a small business, observational marketing research is ...

CHICAGO -- A study comparing different statistical methods used to remove the effects of selection bias in observational studies finds that results may vary and caution may be warranted when ...

Many books have been published to date on research methods in psychology, or social psychology. Among them, the book titled ...

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 ...

Causal inference in observational settings seeks to estimate the effect of exposures, treatments or interventions on outcomes in the absence of random assignment. Unlike experimental designs, ...

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

Over the past several decades, multiple statistical methods have been developed to infer the existence and magnitude of causal effects by analyzing observational data. These methods have been widely ...

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 ...

In the article that accompanies this editorial, Lu et al 5 conducted a systematic review on the use of instrumental variable (IV) methods in oncology comparative effectiveness research. The main ...