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 ...

Constructing theories means introducing concepts which are not directly observable. They should, however, explain empirical findings and thus have to be related to observations. Hence, it is useful ...

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.

Once you have chosen and configured an independent variable, you are ready to choose dependent variable(s). In this illustration, the net electrical output is chosen: When you click on a parameter or ...

Time-dependent variables can be used to model the effects of subjects transferring from one treatment group to another. One example of the need for such strategies is the Stanford heart transplant ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

The predicted frequencies table displays observed and predicted cell frequencies, their standard errors, and residuals.

When predicting a critical variable, such as the quantity of product that will be sold over a specific time span, the business manager can use various approaches. Methods that use cause and effect ...

While foreign investment and capital penetration have become key predictor variables in many studies of economic development and social change, much less scrutiny has been applied to these phenomena ...

Spacings (that is, the differences between successive order statistics) are useful in various applications in statistics. Many properties of the spacing are known when the spacings are constructed ...