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4 Tutorials that teach Measurement
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Author: Paul Hannan

This lesson will explain the ideas of measurement, concept, variable, independent variable and dependent variable, reliability and validity

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Terms to Know

A simplified, working representation of the social world; i.e. "class" or "family."

Dependent Variable

The "effect" or the outcome of the change in the independent variable.

Independent Variable

The "cause" driving the change in the dependent variable.


The process of determining the value of a variable.


Consistency in the valuation of a variable.


Actually measuring the data the you set out to capture.


A characteristic such as age, class, income, education, ect.. that varies throughout the population as a whole.