Expert Training in Mplus.
From Anywhere, Any Time.

Including multiple raters and/or multiple methods (e.g. parent, child, and teacher reports of child anxiety) in research questions is strongly encouraged in the social and behavioral sciences, but many investigators have difficulty specifying them in their statistical models. In this self-paced online workshop, Dr. Christian Geiser teaches you theory-driven approaches to analyze, interpret and report multitrait-multimethod (MTMM) models in Mplus. Here’s what’s included in the course:

  • Construct validation through confirmatory factor analysis (CFA) MTMM models

  • Measurement equivalence testing across raters

  • Comparing latent means, variances, covariances, and correlations across raters

  • Modeling different types of raters

Meet Your Instructor

Dr. Christian Geiser

Dr. Christian Geiser is a Professor of Quantitative Psychology at Utah State University, author of two books on Mplus, and a leader in the development of latent variable techniques for complex data. With his accessible books and sought-after workshops, he has helped thousands of researchers and students around the world to achieve their analytic goals. This course is part of a companion series of workshops to his books and articles.   


MTMM & Multirater Analysis in Mplus is available to start immediately. Individual and lab license purchases include lifetime access to course materials.

Please contact us if you need an invoice prior to purchase or have a larger group. We can customize invoices for any institution, anywhere in the world.

Need to wait for approval from your institution?

Contact us so we can help you prepare your paperwork. We can customize invoices for any country.

Course Details

MTMM & Multirater Analysis in Mplus uses Christian Geiser's video-based instruction in combination with associated datasets, syntax, and a workbook to form a solid foundation for performing a variety of MTMM analyses. The course is broken into 15 sessions that can be completed in about 3 days, though the timing in which you work through the course is entirely up to you. Keep scrolling to learn more about what to expect:

Day 1
Day 2
Day 3
- Introduction to construct validation; convergent and discriminant validity
- Campbell and Fiske's (1959) classical MTMM matrix approach
- Limitations of the classical MTMM approach
- Introduction to confirmatory factor analysis (CFA) of MTMM data
- Single-indicator CFA-MTMM models

- Introduction to multiple-indicator CFA-MTMM models
- Basic CFA-MTMM measurement models for multiple indicators
- Estimating a latent MTMM matrix
- The CT-C(M - 1) approach for structurally different methods
- Measurement equivalence testing across raters
- Comparing latent means, variances, covariances, and correlations across raters

- Structurally different versus interchangeable methods

- Models for interchangeable raters

- Other CFA-MTMM models

- General tips for MTMM analyses


  • I don't have access to Mplus. Can I still benefit from this course?

    Absolutely. You can engage in the full curriculum using only the demo version of Mplus, which is FREE. Dr. Geiser will provide instructions about getting the demo installed on your computer.

  • What level of statistical training is required for the course?

    This course is for learners with foundational knowledge of confirmatory factor analysis. A working understanding of the Mplus software is helpful, but not required. Need a beginner-focused course? Mplus from Scratch gives you everything you need to be ready for this workshop.

  • There is no way that I will be able to set aside the three days required to take this course. Is the timing flexible?

    We understand completely! The timing is entirely up to you. Once you enroll and the course has launched, you will have unlimited access to the content. You are free to pause and return to your lessons as needed.

  • Will you give me feedback on my analyses?

    Dr. Geiser is happy to answer questions related to course content and Quantfish promptly resolves any technical issues related to the course platform. If you are interested in personal consultation on your own data, please contact us to get started.

How the Course Works

Follow these steps to get started:

  • 1. Enroll in the Course

    You will receive a payment receipt by email from QuantFish and instructions for accessing your Student Dashboard. MTMM & Multirater Analysis is available to start immediately.

  • 2. Start Learning

    Begin the course when the time is right for you. Visit your student dashboard, click on the course, and watch Dr. Geiser's introductory video to get started. Subsequent lessons are shown to you in sequential order, along with the PDF resources. Plan on each day (module) to take about three hours, plus practice time. At the completion of the course, we will provide a certificate of completion that you can use for your own professional needs.

  • 3. Share Your Success!

    The best part of our work here at QuantFish is seeing our trainees implement their newfound analytic skills in their own research. We LOVE hearing about published papers and successful defenses. Find us on Facebook or shoot us an email so we can celebrate with you!

Let's Keep in Touch

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Thank You

Satisfaction Guarantee

QuantFish is dedicated to providing courses that improve your analytic skills with accessible lessons from the world's leading methodologists.  MTMM & Multirater Analysis in Mplus is backed by a complete money-back guarantee for 7 days following the start of the course.