What is a 'Manifest Variable'

A manifest variable is a variable that can be directly measured or observed. It is the opposite of a latent variable, which can not be directly observed, and needs a manifest variable assigned to it as an indicator to test whether it is present. Manifest variables are used in latent variable statistical models, which test the relationships between a set of manifest variables and a set of latent variables. Manifest variables are considered either continuous or categorical (a countable range).

A manifest variable is also known as an observable variable.

BREAKING DOWN 'Manifest Variable'

Statisticians use several different analysis tests when examining manifest variables and latent variables. The four most frequently used models are factor analysis, latent trait analysis, latent profile analysis and latent class analysis. Which model is ultimately used depends on whether the manifest variables are continuous or categorical, and whether the latent variables are continuous or categorical.

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