Jason T. Newsom PhD

Professor, Department of Psychology, Portland State University





Main Page


Current Courses

Univariate Quant

Multivariate Quant

Categorical Data Analysis

Structural Equation Modeling

Multilevel Regression

Psychological Measurement

Adult Development and Aging


Past Courses

Stats Notes



SEM References

SEM Books




LDA Book

Department of Psychology







Psy 523/623 Structural Equation Modeling




Data Sets

Handouts & Overheads

Overhead: Brief History of SEM

Matrix Operations in SPSS and R

SPSS Matrix Commands

R Matrix Commands (Phil Ender)

Matrix Regression

Wrights Rules of Tracing and the Fundamentals of Path Analysis

Testing Mediation with Regression Analysis

Data Set Preparation for Mplus

Path Analysis Example: Mplus, lavaan, Amos

Lab Data Set Description

Latent Variables

Mplus Example of Correction for Measurement Error Attenuation

One-Factor CFA Example: Mplus, lavaan, and Amos

A Quick Primer on Exploratory Factor Analysis

Principal Components Analysis

Exploratory Factor Analysis Example: SPSS and R

Basic Concepts of Fit

Maximum Likelihood

Some Clarifications and Recommendations on Fit Indices

Nested Models, Model Modifications, and Correlated Errors

Two-Factor CFA Example in Mplus

Spreadsheet for Computing w and DMc

Modification Index Examples

Improper Solutions in SEM

Missing Data and Missing Data Estimation in SEM

Missing Data Examples: Mplus and lavaan

Alternative Estimation Methods

Practical Approaches to Dealing with Nonnormal and Categorical Variables

Examples of Estimates for Nonnormal Data

Examples with Categorical Indicators

Examples of Chi-square Difference Tests with Nonnormal and Categorical Variables

Full Structural Equation Model Examples: Mplus and lavaan

Invariance Tests in Multigroup SEM

Multigroup SEM Example: Mplus and lavaan



Dave Kenny A great website with introductory material on most SEM topics. Download a very good introductory book, Correlation and Causality, for free.

Ed Rigdon An excellent site that serves as a gateway to most of the SEM sites on the web.

SEMNET I encourage you to join and read this SEM discussion list. You can also search the archives for answers to common questions.

Mplus Lots of example programs and a Mplus discussion section.

SEMrefs A list which I have put together of hundreds of references for many SEM topics.

Muthen & Muthen Mplus Webinars View videos of SEM lectures anytime.

Bryant and Satorra scaled chi-square difference test worksheet