Jason T. Newsom PhD

Professor, Department of Psychology, Portland State University





Main Page


Current Courses

Categorical Data Analysis

Structural Equation Modeling

Multilevel Regression

Psychological Measurement

Adult Development and Aging


Past Courses

Data Analysis I

Data Analysis II

Stats Notes



SEM References

SEM Books




LDA Book

Department of Psychology







Psy 510/610 Structural Equation Modeling




Data Sets

Handouts & Overheads

Overhead: Brief History of SEM

Summary of Matrix Commands in SPSS

Summary of Matrix Commands in R

Matrix Operation Examples in SPSS and R

Wrights Rules of Tracing and the Fundamentals of Path Analysis

Testing Mediation with Regression Analysis
Path Analysis Example: Mplus, lavaan, Amos

Lab Data Set: NPHS

Data Set Preparation for Mplus

Latent Variables

One-Factor CFA Example

Mplus Example of Correction for Measurement Error Attenuation

A Quick Primer on Exploratory Factor Analysis

Basic Concepts of Fit with Mediational Path Models

Maximum Likelihood Estimation

Some Clarifications and Recommendations on Fit Indices

Two-Factor CFA Example

Summary of LISREL Notation

Nested Models, Model Modifications, and Correlated Errors

Modification index examples

Full structural equation model examples

Improper solutions in SEM

Missing Data and Missing Data Estimation

Missing data examples

Alternative Estimation Methods

Practical Approaches to Dealing with Nonnormal and Categorical Variables

Examples of Estimates for Non-normal Data: Mplus, lavaan, Amos(bootstrap only)

Illustration of Scaled Chi-square Difference Computation

Examples with Categorical Indicators: Mplus and lavaan

Example of Second-Order Factor Model (Mplus only)

Mean structures

Invariance Tests in Multigroup SEM

Multigroup SEM Example: Mplus and lavaan

Cross-lagged Panel Model Example

Latent Variable Cross-lagged Panel Models

Latent Variable Cross-lagged Panel Model Example

Mediation Analysis with Two Waves

Overhead: Latent Growth Curves

Latent Growth Curve Example

Second-Order Latent Growth Curve Models

Minimum Sample Size Recommendations

Advanced Topics and Further Readings



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