A variable is an event, idea, value or some other object or category that a researcher or business can measure. Variables can be dependent or independent. Dependent variables vary by the factors that ...

Quantitative research often feels like the most structured side of inquiry. It deals with numbers, measurement, and objectivity, offering a clear framework for testing ideas and identifying ...

This is the third in a series of lecture notes which, if tied together into a textbook, might be entitled “Practical Regression.” The purpose of the notes is to supplement the theoretical content of ...

Michael Yudell, PhD, a professor in the Dornsife School of Public Health, wrote a March 9 Public Health Post piece about the misuse of racial categories in biomedical research. "Many public health ...

How should we study biodiversity change? In an ideal world, we would study many different aspects of biodiversity and how they change over time. This would allow us to distinguish between natural ...

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 ...