The two main types of psychological variables are the independent and dependent variables. Both variables are important in collecting data about psychological phenomena.

An endogenous variable is a variable in a statistical model that is changed or determined by its relationship with other variables within the model.

Health programs that use social and related data obtained through surveys or other methods need to distinguish among so-called independent variables. Three groups of independent variables are (a) ...

In econometric models each dependent variable is usually a linear function of a small number of dependent and independent variables which are selected on economic considerations. Here uncorrelated ...