Research Methods in Psychology is a standard required course in pretty much any psychology major. In our department at SUNY New Paltz, this is a four-credit class with a large laboratory component.

Both in the mathematical sense and in the business world, an independent variable is one that stands alone and is not affected by outside forces. When it comes to evaluating cost in business, ...

We show that the $L_1$ norm of the difference between the standard normal distribution and the distribution of the standardized sum of $n$ independent random ...

Annual Review of Sociology, Vol. 25 (1999), pp. 659-706 (48 pages) When experimental designs are infeasible, researchers must resort to the use of observational data from surveys, censuses, and ...

In science, a variable is something that can be changed, measured or controlled in an experiment. Scientists look at variables to understand how they affect things. A variable is any one of the things ...