title: The multilevel measurement model: introduction to the special issue.
abstract: An introduction to the special issue on the multilevel measurement model (MMM) is provided. The two- and three-level multilevel models for continuous outcomes are reviewed. The extension to the hierarchical generalized linear model and its use as a multilevel measurement model for dichotomous measurement indicators is demonstrated. The six articles in the special issue are described.
authors.affiliation: Department of Educational Psychology, 1 University Station, Mail Station D5800, University of Texas, Austin, TX 78712, USA. tasha.beretvas@mail.utexas.edu
authors.forename: S Natasha
authors.initials: SN
authors.lastname: Beretvas
authors.forename: Akihito
authors.initials: A
authors.lastname: Kamata
mesh_terms: D006801:Humans; D016014:Linear Models; D011594:Psychometrics / Q000379:methods*