Welcome to Hotel Elsevier: you can check-out any time you like … not
In December 2021, Robin Kok wrote a series of tweets about his Elsevier data access request. I did the same a few days later. This here is the resulting collaborative… Read more »
Award for transformative early career contributions
About a year ago, the Association for Psychological Science awarded me with the Janet Taylor Spence Award for transformative early career contributions to psychological science. Given that I often move… Read more »
Treating depression with psychedelics: red flags and FAQ
There was a lot of hype in the last days around a new study on treating major depressive disorder via psilocybin, the active ingredient of magic mushrooms. In the paper… Read more »
Creating basic psychometric summaries in R
We just finished collecting the first cohort of the WARN-D study, our ambitious effort to create a personalized early warning system for depression. In the 90 minute self report survey,… Read more »
Studying mental disorders as systems, not syndromes
I’ve written a very brief piece on embracing the complexity of mental health problems, entitled “Studying mental disorders as systems, not syndromes” (download). I also had the opportunity to give… Read more »
Schmeasurement: DSM-5 symptom measure edition
For our new WARN-D research project on building a personalized early warning system for depression, I recently looked into openly available, transdiagnostic, self-report mental health screeners. The most common recommendation… Read more »
1 minute science communication video .. only using legos
Young Academy Leiden challenged its members—including yours truly—to make a video about an upcoming research project, with two constraints. First, we only have one minute to communicate our idea. Second,… Read more »
On Theory
What is a good theory, and what is a bad one? In this blog, I’ll introduce theories, models, phenomena, data, and how they relate to each other. I’ll explain what… Read more »
Modeling idiographic and nomothetic dynamics of 255 depressed inpatients
Led by the first author Kaat Hebbrecht, we published an open access paper a few days ago on “Understanding personalized dynamics to inform precision medicine: a dynamic time warp analysis… Read more »
ERC Starting Grant on predicting depression onset
I’m extremely happy, proud, humbled, and somewhat nervous announce that my application for an European Research Council (ERC) Starting Grant was successful (on my first try!), following the announcement by… Read more »
Measuring depression outcomes that matter to patients, caregivers, and healthcare professionals
Our team led by the brilliant Astrid Chevance just published a new paper, entitled “Identifying outcomes for depression that matter to patients, informal caregivers and healthcare professionals: qualitative content analysis… Read more »
Ecological momentary assessment: app vs web tools?
This is going to be a very brief post, given my current time constraints. We are setting up a large Ecological Momentary Assessment (EMA) study. I have some experience with… Read more »
COVID-19 pandemic and student mental health
The goal of this blog post is to summarize our recent study on COVID-19 and student mental health, and do a bit of science translation of our core findings. You… Read more »
Summary of my academic 2019
One of the problems I’ve been facing in academia is that I don’t take pause and celebrate when things go well — after a published paper, I usually just move… Read more »
APA chief publishing officer: ignore paper removal request
On December 24th 2019, I received a legal threat by the American Psychological Association to remove one of my papers from my personal website. Similar requests have been received by… Read more »