Expert Training in Mplus.
From Anywhere, Any Time.

In this self-paced online workshop, Dr. Christian Geiser provides in-depth tutorials on Classical Test Theory analysis in SPSS & Mplus. With crystal clear hands-on lessons, he'll take you through each step of the analyses, from writing syntax to interpreting output. Use the dropdown menu below to see what’s included in this 4-day course:

    1. Welcome to this Course!

    2. Handouts & References

    3. Introduction to Classical Test Theory

    4. Formal Definition of True Score and Error in CTT

    5. Definition of Reliability

    6. The Model of Strictly Tau-Parallel Test Score Variables

    7. Application of the Strictly Tau-Parallel Model in SPSS

    8. Application of the Strictly Tau-Parallel Model in Mplus

    9. Spearman-Brown Composite Reliability

    1. The model of Essentially Tau-Parallel Test Score Variables

    2. Application of the Essentially Tau-Parallel Model in SPSS

    3. Application of the Essentially Tau-Parallel Model in Mplus

    4. The Model of Essential Tau-Equivalence

    5. The Model of Essential Tau-Equivalence in Mplus

    6. The Model of (Strict) Tau-Equivalence

    7. The Model of (Strict) Tau-Equivalence in Mplus

    1. Cronbach's Alpha Composite Reliability

    2. The Tau-Congeneric Model

    3. Application of the Tau-Congeneric Model in SPSS

    4. Application of the Tau-Congeneric Model in Mplus

    5. McDonald's Omega Composite Reliability

    6. Summary of CTT Measurement Models

    7. Correction for Attenuation

    8. Additional CTT Topics

    1. Introduction to Latent State-Trait Theory

    2. The Multitrait-Multistate (MTMS) Model

    3. MTMS Model: Mplus Syntax

    4. MTMS Model: Mplus Output

    5. Computing Consistency, Occasion-Specificity, and Reliability

    6. Thank You for Taking this Course and Final Comments

Meet Your Instructor

Dr. Christian Geiser

Dr. Christian Geiser is the Director of Education at Quantfish, former professor of quantitative psychology, and author of two books on Mplus.   As a leader in the development of latent variable techniques with complex data, he has helped thousands of researchers and students around the world to achieve their analytic goals.   This course is a part of a companion series of workshops to his books and articles.    


Classical Test Theory Analysis with SPSS & Mplus is available for immediate access.

Please contact us if you need an invoice prior to purchase or have a larger group.

Payment is accepted by credit card, Paypal, or bank transfer (euros & GPB). Bank transfer instructions are here.

Group licenses provide the lowest per-person cost.

Further discounts are available for researchers working in LMICs; apply here to get started.

Bank Transfer Information

Bank transfers are accepted in euros and GBP. Please contact us if your bank is outside of the EU, SEPA, or UK.

Kindly allow 3 business days for payment to post.

euros (EU & SEPA only)
GBP (UK only)
Student/Postdoc:  275
Group: €1096

Account holder:  QuantFish LLC
IBAN:  BE20 9672 6025 0356

Avenue Louise 54, Room S52 

Required notes:  
  • Name of person enrolling (only the contact person if enrolling a group)
  • Email address
  • Requested course(s)

Student/Postdoc:    £229
Group:  £914

Account holder:  QuantFish LLC
Sort code: 
Account number: 
GB50 TRWI 2314 7087 9607 44

56 Shoreditch High Street, London E1 6JJ, United Kingdom

Required notes:  
  • Name of person enrolling (only the contact person if enrolling a group)
  • Email address
  • Requested course(s)

Need to wait for approval from your institution?

Contact us so we can help you with your paperwork:


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

    This course is for learners with a foundational knowledge of regression analysis. Prior SPSS experience is helpful, but not required. Mplus experience is not required.

  • There is no way that I will be able to set aside the four 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. CTT with SPSS & Mplus is available to start whenever you are ready.

  • 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 social media or shoot us an email so we can celebrate with you!

Let's Keep in Touch

New courses are always coming! Add your email to our list to get the latest updates.

Thank You

Satisfaction Guarantee

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