More Details On Our Methodology And Assessment Tools
In our evidence-based approach to therapy (called Feedback-Informed Treatment or “FIT”), we use the Rating of Outcome Scale (RŌS), a peer-reviewed, rigorously validated ultra-brief instrument that measures change in clients’ well-being. And we use other outcome measures from time to time as part of our ongoing research program.*
Over the last several years, we have determined that there are three ways to toughen our methods so that the outcomes we report are more accurate, reliable, and meaningful:
Toughen the statistics (we now use a repeated-measures-corrected effect size statistic and change statistics based on more conservative reliability coefficients than the less-appropriate and easy ones usually used. These more rigorous methods have been shown to stabilize–and dampen–outcomes compared with using the usual pre-treatment standard deviation…For our stats-geek colleagues, stop using Cronbach’s alpha for reliability! Take the training wheels off and use an appropriate test-retest coefficient from an untreated, community sample! A repeated-measures-corrected ES also avoids varying slopes and intercepts among different severity-adjustment regression equations from different instruments and samples, and is still an easily interpretable ES; see Seidel, Miller, & Chow, 2014, for details).
Toughen the instruments (different instruments measuring the same “well-being” can have different sensitivities to distress and change and can give different results; we now use an ultra-brief, highly practical pair of instruments called the ROSES that show less of this ‘swing’ and provide a more conservative estimate of change. The ROSES are more practical than very long measures and they are free for clinicians to download; see Seidel, Andrews, et al., 2016, for details).
Toughen the way we administer them (we still have a way to go with this one, but so far we have learned that repeatedly giving the same questions session after session may have an exaggerating effect on some outcome instruments, and we are researching the impact of switching between measures and other methods on dampening and stabilizing our reported outcomes, giving a more conservative but “solid” estimate of change).
We know that most of our clients don’t care about all this stuff. Heck, most of our colleagues don’t care about it! But our mission is to provide the highest quality therapy from the best therapists in Colorado. How can we know how we are doing if we don’t bother to find out, or if we use a test that would make most therapists look “above average”?
The 2016-2018/2019 graph above was created from our clients’ well-being data using the validated Rating of Outcome Scale (RŌS) and T-scores that were normed via published community-sample metrics.**
*Our director and chief statistician, Jason Seidel, is sought out by individuals and agencies worldwide to consult on practice-based-evidence methodologies. He helped facilitate the NREPP/SAMHSA certification process for FIT as an Evidence Based Practice and was Director of Research for the International Center for Clinical Excellence, based in Chicago, from 2009-2019. Scott Miller, Ph.D., co-developer of Client-Directed, Outcome-Informed Treatment (now called FIT) has described Jason as “an expert clinician and scholar whose knowledge base is only exceeded by his compassion for the people he works with in his clinical practice.” Daniel Buccino, LCSW, Clinical Supervisor at Johns Hopkins University has called him “a rare individual, one of the few people who can make psychometrics not only understandable but downright interesting and relevant.”
**Our methods included: T-score conversion of all change scores (normed to community–not clinical–samples) and repeated-measures-corrected effect sizes. Beating up our data this way creates some difficulty in comparisons with plain-vanilla pre-post effect sizes. Colleagues: we encourage you to call us if you want to check on our current methodologies and learn more about them.
Bibliography of psychotherapy outcomes research
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