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

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 ...

Key points Neither a quantitative nor a qualitative methodology is the right way to approach every scientific question. Rather, the nature of the question determines which methodology is best suited ...

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 ...