2020 Summer Workshops

We’re pleased to announce our summer workshop schedule for 2020. The schedule for our regular 5-Day workshops is:

In addition, we are pleased to again offer a steeply reduced cost ($100) 3-day introductory workshop designed specifically for graduate students seeking advanced methodological training:

Given high demand, students are asked to pre-register for this event by March 20, 2020, and will be notified if they have been selected to attend by April 1, 2020.

See our Training page for a general description of our teaching philosophy, links to course reviews and sample course notes.

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A reviewer recently asked me to comment on the issue of equivalent models in my structural equation model. What is the difference between alternative models and equivalent models within an SEM?

An equivalent model can be thought of as a re-parameterization of the original model. In other words, it is just a different way of “packaging” the same information in the data and no equivalent model can be distinguished from another based on fit alone. If you were to fit a series of equivalent models to the same sample data you obtain exactly the same chi-square test statistic, RMSEA, CFI, TLI, and any other omnibus measure of fit. It is often best to treat this as a limitation of any given study and to potentially present one or a small number of equivalent model options to the reader so that these too might be considered as plausible representations of the data.