Business owners faced with tough decisions can use one or both of two general approaches to problem solving. The qualitative approach draws on a manager's experience and expertise, which together hone ...

Understanding complex systems such as developing embryos requires quantitative approaches. Mathematical models of developmental processes have provided insight into mechanisms and suggested new ...

As a researcher who has used a wide variety of methodologies, I understand the importance of acknowledging that we, as researchers, do not pick the methodology; rather, the research question dictates ...

Learn how economists measure externalities using equilibrium models, cost assessments, and qualitative methods. Gain insight into real-world and theoretical impacts.

When you make business decisions as a manager, you take into account qualitative factors like reputations, brand strength and employee morale, as well as quantifiable data such as sales figures, ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. (Related post: How focus groups informed our study about nationalism and ...