A Conceptual Introduction to Multilevel Models as Structural Equations Lee Branum-Martin Georgia State University Language & Literacy Initiative A Workshop.
Threats to the Validity of Measures of Achievement Gains Laura Hamilton and Daniel McCaffrey, RAND Corporation Daniel Koretz, Harvard University November.
John B. Willett and Judith D. Singer Harvard Graduate School of Education Examine our book, Applied Longitudinal Data Analysis (Oxford University Press,
A Conceptual Introduction to Multilevel Models as Structural Equations
