Structural Equation Modeling

What is Structural Equation Modeling?

Structural equation modeling, or SEM, is a very general,
chiefly linear, chiefly cross-sectional statistical modeling
technique.Factor analysis, path analysis and regression all
represent special cases of SEM.SEM is a largely confirmatory,
rather than exploratory, technique.That is, a researcher are
more likely to use SEM to determine whether a certain
model is valid.,rather than using SEM to "find" a suitable
model--although SEM analyses often involve a certain exploratory
element.In SEM, interest usuallyfocuses on latent constructs--abstract
psychological variables like "intelligence"or "attitude
toward thebrand"--rather than on the manifest variables
used to measure these constructs.
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