Explain the difference between factors and levels and give a

Explain the difference between factors and levels, and give an example that includes both. Please include detailed response.

Solution

In an experiment, a researcher manipulates one or more variables, while holding all other variables constant. By noting how the manipulated variables affect a response variable, the researcher can test whether a causal relationship exists between the manipulated variables and the response variable.

Parts of an Experiment

All experiments have independent variables, dependent variables, and experimental units.