Zachary Cohen
depressionlab.bsky.social
Zachary Cohen
@depressionlab.bsky.social
assistant prof. Personalized Treatment Lab @uarizona clinical psychology, intervention science. Precision Mental Health/Digital Therapy. Dad+Husband. He/him.
Pinned
1/n Out today in @jamapsychiatry.com: Interpretation Issues With the Patient Health Questionnaire Instructions. We find troubling variability in whether people think they should respond based on the frequency of the Sx or the frequency of being bothered by the Sx.
jamanetwork.com/journals/jam...
Interpretation Issues With the Patient Health Questionnaire Instructions
This survey study assesses whether responses to the Patient Health Questionnaire reflect symptom frequency and severity.
jamanetwork.com
Reposted by Zachary Cohen
We're hiring! The Computational Clinical Science Lab @ Yale is seeking a full-time lab manager/research coordinator to start in early summer 2026.

For more information about the position and to apply: forms.gle/LtQwVgPUfaGk...

Please share widely & consider applying!
forms.gle
January 13, 2026 at 4:45 PM
Reposted by Zachary Cohen
Interested in research on depression in youth? New opening for a full-time research assistant in our lab (webbslab.com) to work on a range of projects focused on the causes & treatment of depression in teens. Come join our growing lab. Please RT and share! Apply⬇️
webbslab.com/job-postings
January 9, 2026 at 9:28 PM
Reposted by Zachary Cohen
Here is NIMH

There were 51% as many new R01s in FY25 as in FY24.

Note the large increase in RF1 multi-year awards.

10/n
October 1, 2025 at 4:08 PM
"From Innovation to Implementation: Artificial Intelligence in Cognitive Behaviour Therapy Training and Supervision" New paper led by Roz Shafran, with contributions from a ton of leading experts on AI in mental health (and also, for reasons unclear, me) www.sciencedirect.com/science/arti...
From innovation to implementation: Artificial intelligence in cognitive behaviour therapy training and supervision
Artificial intelligence (AI) can transform mental health care globally by improving the efficiency, consistency, effectiveness and accessibility of tr…
www.sciencedirect.com
January 8, 2026 at 10:26 PM
Reposted by Zachary Cohen
After 5 years of data collection, our WARN-D machine learning competition to forecast depression onset is now LIVE! We hope many of you will participate—we have incredibly rich data.

If you share a single thing of my lab this year, please make it this competition.

eiko-fried.com/warn-d-machi...
WARN-D machine learning competition is live » Eiko Fried
If you share one single thing of our team in 2026—on social media or per email with your colleagues—please let it be this machine learning competition. It was half a decade of work to get here, especi...
eiko-fried.com
January 7, 2026 at 7:39 PM
Flagging the U of A's Provost's Postdoctoral Fellows Program (PPFP) for any ECRs who might be interested...
provost.arizona.edu/provosts-pos...
Provost’s Postdoctoral Fellows Program (PPFP)
provost.arizona.edu
January 5, 2026 at 3:54 PM
Reposted by Zachary Cohen
Cool study in JAMA Psychiatry confirms what many have suspected for a while: PHQ (depression questionnaire) instructions are widely misinterpreted by patients. It is unfortunate that a questionnaire as shitty as PHQ-9 has become so ingrained & ubiquitous

jamanetwork.com/journals/jam...
Interpretation Issues With the Patient Health Questionnaire Instructions
This survey study assesses whether responses to the Patient Health Questionnaire reflect symptom frequency and severity.
jamanetwork.com
December 23, 2025 at 3:09 PM
Reposted by Zachary Cohen
Our university press team asked me a few questions in regards to the new chair on Mental Health & Data Science. I sketch a bit of a vision on the importance of transdisciplinary work, and some obstacles to overcome.

www.universiteitleiden.nl/en/news/2025...
Transdisciplinary work is fantastic, but requires dedicated efforts from all sides to understand each other’
Eiko Fried has been appointed professor of Mental Health & Data Science. This combined chair neatly fits the view that understanding complex mental health issues require the integration of statistical...
www.universiteitleiden.nl
December 19, 2025 at 8:18 AM
Reposted by Zachary Cohen
1/ Our paper years in the making is finally out!

TL;DR even very strong effects (d=1.00) can be attenuated by sampling from populations where there is variability in their likelihood of natural improvement (e.g., mild depression cases remitting on their own)

www.sciencedirect.com/science/arti...
Effects of patient response pattern distributions on comparisons of psychosocial treatments for major depressive disorder
The pharmaceutical industry has paid more attention to potential variability in depressed patients' ability to benefit from antidepressants vs. placeb…
www.sciencedirect.com
December 18, 2025 at 3:30 PM
Nice writeup of our new study in @jamapsychiatry.com by Kyle Mittan, a colleague here at @uarizona.bsky.social
news.arizona.edu/news/confuse...
December 17, 2025 at 5:13 PM
1/n Out today in @jamapsychiatry.com: Interpretation Issues With the Patient Health Questionnaire Instructions. We find troubling variability in whether people think they should respond based on the frequency of the Sx or the frequency of being bothered by the Sx.
jamanetwork.com/journals/jam...
Interpretation Issues With the Patient Health Questionnaire Instructions
This survey study assesses whether responses to the Patient Health Questionnaire reflect symptom frequency and severity.
jamanetwork.com
December 17, 2025 at 5:11 PM
Inviting submissions to a new special issue on precision and personalized treatment approaches led by @cherilev.bsky.social and @aaronjfisher.bsky.social! It’s gonna be a fantastic collection so send us your favorite new work :) www.sciencedirect.com/special-issu...
Behavior Therapy | ScienceDirect.com by Elsevier - Behavior Therapy | ScienceDirect.com by Elsevier
Read the latest articles of Behavior Therapy at ScienceDirect.com, Elsevier’s leading platform of peer-reviewed scholarly literature
www.sciencedirect.com
December 17, 2025 at 4:23 AM
Reposted by Zachary Cohen
Are you working in the personalized treatment/ precision medicine space?

If so my co-editors & I would love to review your work for a new SPECIAL ISSUE in Behavior Therapy on personalization in mental health.

More info here:

www.sciencedirect.com/special-issu...

@depressionlab.bsky.social
Behavior Therapy | ScienceDirect.com by Elsevier - Behavior Therapy | ScienceDirect.com by Elsevier
Read the latest articles of Behavior Therapy at ScienceDirect.com, Elsevier’s leading platform of peer-reviewed scholarly literature
www.sciencedirect.com
December 17, 2025 at 1:28 AM
Reposted by Zachary Cohen
🚨Model Checking for Vector Autoregressive Models 🚨

In a new preprint, @joranjongerling.bsky.social, @bsiepe.bsky.social, @sachaepskamp.bsky.social, Lourens Waldorp and I provide a tutorial on model checking for Vector Autoregressive (VAR) models: osf.io/preprints/ps...
December 3, 2025 at 6:52 AM
As the founding president of the EikoBöt fanclub I hereby declare today EikoDäy! Congratulations Dr @eikofried.bsky.social, Sir Eik of Ried. Honored to walk this strange sphere with you.
Today is the day y'all :) 🥳 🎉
December 1, 2025 at 12:11 PM
Reposted by Zachary Cohen
My time as Editor of AMPPS is coming to an end-- here are some parting thoughts. journals.sagepub.com/doi/full/10.... .
Taking Stock of Advances in Methods and Practices in Psychological Science at the End of the Beginning - David A. Sbarra, 2025
journals.sagepub.com
November 26, 2025 at 7:10 PM
Reposted by Zachary Cohen
New method to estimate heterogeneity of treatment effects by comparing the cumulative response distributions for the treatment vs.
www.sciencedirect.com/science/arti...

@f2harrell.bsky.social @stephensenn.bsky.social
November 12, 2025 at 7:49 AM
Reposted by Zachary Cohen
I'm back! In this experiment we had 39 participants choose between 8 different PhD programs which varied in terms of region, application materials, prestige, and fees. Importantly, two of the programs had a GRE requirement and two were equivalent but did not:
November 11, 2025 at 9:34 PM
Reposted by Zachary Cohen
What a week! After 5 days, the #mitnb workshop has come to an end. We had a keynote on time scales and two workshops on careless responding and reliability. The central part of the workshops were the hackathons. We had super diverse hackathons, all designed to assess measurement in #ESM. (1/4)
November 7, 2025 at 6:24 PM
Reposted by Zachary Cohen
ladies and gentlemen...we got him
October 30, 2025 at 7:10 PM
New paper in Journal of Affective Disorders led by Olivia Losiewicz: Daily spread of positive affect is associated with subsequent well-being: A study of idiographic network analysis and emotional inertia. www.sciencedirect.com/science/arti...
Daily spread of positive affect is associated with subsequent well-being: A study of idiographic network analysis and emotional inertia
Emotional inertia, or the persistence of affect over time, and emotion network density, a measurement of the interconnected or relatedness of one's em…
www.sciencedirect.com
October 29, 2025 at 5:17 PM
Tenure track assistant professor @uarizona Psychology Department Clinical Area; many areas of emphasis including the development of next generation, scalable assessment or intervention tools. Come be our colleague! Supportive/awesome colleagues & students arizona.csod.com/ux/ats/caree...
Assistant Professor, Psychology (T/TE)
The candidate will be expected to build and sustain an externally funded, nationally recognized research program, provide effective instruction at the...
arizona.csod.com
October 27, 2025 at 10:24 AM