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 ...

The importance of antibodies as tools in scientific research studies cannot be understated, yet these reagents have increasingly come under fire for their lack of reproducibility. Part of the issue is ...

Economics often borrows ideas from the sciences, yet unlike physics or chemistry, no country has ever run a controlled, pure economic experiment on a national scale. A pure experiment requires ...