Measurement Models

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If you have ever watched House or used alternative media, you will be familiar with the idea that people do not always tell us the truth. Expressed in a slightly more academic way: what people say is a mixture of the truth and error:

Observed = Truth + Error

This model is known as a measurement model. And depending on context, it is often described with slightly different terms (e.g., using the terms 'Measured', 'Claimed', 'Manifest' or 'Estimate' in place of 'Observed'). Measurement models are most commonly used in more academic studies. More detail on measurements models is in Measuring Abstract Concepts

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