Problem:
During the course of any study, there must be a level of measurement in variables in order to construct data for researchers to gauge how each subject/subjects relate to each other. In addition, those who review the data collected must be able to identify those variables. During the scaling and index construction in research methods, there are four levels of measurement.
Discuss and identify how variables are measured on four different levels as well as how its done during scaling and index construction in research methods.
400 word essay with reference.