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merijn 😺📱📈

@merijnmestdagh.bsky.social
1.2K followers 315 following 68 posts

Psychology | Statistics | Postdoc | Co-founder and developer #EMA #EMI #ESM platform m-Path.io

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merijn 😺📱📈 @merijnmestdagh.bsky.social · 17/06/2026
Measure when it matters!!
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Egon Dejonckheere @dejonckheeregon.bsky.social · 03/06/2026
In our new blog, we showcase 5 m-Path studies that adapted #ESM / #EMA protocols for: 🎗️ advanced cancer 🧩 intellectual disabilities 🗣️ aphasia after stroke 🧠 dementia 🍄 psilocybin microdosing They show that ESM / EMA is not a rigid protocol. Feasibility can be designed. m-path.io/blog/high-fi...
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 06/05/2026
Nietzsche once observed that "our emotional life is least clear to ourselves" (Safranski, on Nietzsche). It’s a profound thought, but you don’t need a 19th-century philosopher to tell you that measuring emotions is a complex challenge. Here is a breakdown on how to measure emotions in practice:
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 23/04/2026
Cool new features to measure food intake!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 11/03/2026
Response rates is something EMA all researchers worry about. Insightful blog about how to predict and improve your response rates!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 26/02/2026
Super easy way to personalize sliders with a tangible effect!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 14/01/2026
How to make good quality EMA items? A small investment to read, a big return by higher quality data!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 03/09/2025
Very cool study by Laura Dewitte on how the #ESM / #EMA methodology can even be used in a population with dementia. Results: ✅ 0 dropouts ✅ 80% response rate ✅ low reported burden ✅ positive participation experiences ✅ substantial within- and between-person variability
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Egon Dejonckheere @dejonckheeregon.bsky.social · 03/09/2025
🤔 Can people with dementia participate in intensive experience sampling studies via smartphone? 🧐Yes, they can! Even with high-frequency sampling schemes (8 times / day)! Work from @lauradewitte.bsky.social in npj Dementia: doi.org/10.1038/s444...
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Egon Dejonckheere @dejonckheeregon.bsky.social · 20/06/2025
📱 Want to know when to schedule your #EMA / #ESM beeps for the highest completion rates? ⏰ Timing matters: some moments during the day and week are more receptive than others. See: link.springer.com/article/10.3...
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Egon Dejonckheere @dejonckheeregon.bsky.social · 23/06/2025
Cool work by Vanhasbroeck et al. (2024) relevant for #EMA / #ESM research: 🔁 Moderate to good retest consistency in fast-paced affective measures 📏 Whether it is VAS, Likert or 2D affect grid: Scale type doesn't seem to affect reliability! 🔗: link.springer.com/article/10.3...
link.springer.com
Chasing consistency: On the measurement error in self-reported affect in experiments - Behavior Research Methods
How feelings change over time is a central topic in emotion research. To study these affective fluctuations, researchers often ask participants to repeatedly indicate how they feel on a self-report ra...
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Egon Dejonckheere @dejonckheeregon.bsky.social · 10/06/2025
📢 New paper alert! Invited review led by Francis Tuerlinckx for BJMSP on the latest developments in #EMA / #ESM research 📱🔍 doi-org.kuleuven.e-bronnen.be/10.1111/bmsp... A (very) short 🧵 below: @saa2025leuven.bsky.social
doi-org.kuleuven.e-bronnen.be
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 28/05/2025
Ultimate respect for dj Alter Egon @dejonckheeregon.bsky.social !
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Egon Dejonckheere @dejonckheeregon.bsky.social · 28/05/2025
What an insane crowd at the #SAA2025 m-Party (also sublime dance moves)! 💃🪩🕺🏼 #EMA researchers know how to party! 👊🙏
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Dominique Maciejewski 🟥 @domimaciejewski.bsky.social · 27/05/2025
Really happy that @leonieschorrlepp.bsky.social presented the results of our mixed-methods study uncovering response processes in ESM studies 📱. Take-away: people are very inconsistent in how they come up with their answers. Talking to participants in key! 🔐 #SAA2025
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 27/05/2025
Very exciting to see the work from @katiehoemann.bsky.social at #SAA2025! Participants were able to voice record a description of events. Katie clustered these over many different topics. 2 fun ones: - Complaints about rain (study was in Belgium 😅) - Complaints about the study itself (ESM...)
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Michal Frackowiak, PhD @mfrackowiak.bsky.social · 26/05/2025
#SAA2025: Laura Sels talks about daily emotional suppression and differences between males and females.
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Nicolas Leenaerts @nicolasleenaerts.bsky.social · 27/05/2025
I had a great time discussing my work yesterday at #SAA2025! If you are interested in building sets of variables, then check out the R package @aaronjfisher.bsky.social and I made: github.com/nicolasleena...
github.com
GitHub - nicolasleenaerts/mitools: Pairing Variables Using Mutual Information
Pairing Variables Using Mutual Information. Contribute to nicolasleenaerts/mitools development by creating an account on GitHub.
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 26/05/2025
@leonievogelsmeier.bsky.social showing the true complexity of science!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 26/05/2025
@rayyantutunji.bsky.social showing at #SAA2025 that wearable data (EPA) is not enough to predict mental well-being (R2 = 0.01). My bet is more on timing (triggering) surveys compared to leaving out surveys. Impressed by the commitment to correct validation (not even touching test set until later)!
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Olivia Kirtley @oliviajkirtley.bsky.social · 26/05/2025
The things you see when you're at @saa2025leuven.bsky.social! If you're looking for ZI 02.21 and you find yourself in a mini museum, you're heading in the right direction! #SAA2025
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 26/05/2025
Cool #SAA2025 talk from Niels van Hasbrouck about how an extreme response style can have a severe effect on affect dynamics. Should we push everyone to have the same response style by only allowing discrete answers?
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 22/05/2025
Triggering questionnaires at the right time will become increasingly important in research! I am looking forward to see what researchers will build with these features 👩‍🔬 🧪 📑 !
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 14/05/2025
Very happy with this new feature that automatically creates individualized invitation pages for all your participants! 📫🔥🔓
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 18/04/2025
Small new #EMI (ecological momentary intervention) feature that makes it very easy to create adaptive module screens or psycho education interventions. Used for: - adaptive presentation of exercises - Only show relevant modules for a participant (modules that actually interest the participant)
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Laura Bringmann 🟥 @bringmannlaura.bsky.social · 06/04/2025
For those who are interested ESM feedback, happy to announce that a new paper is out, in which we combine qualitative and quantitative feedback! Innovations include clock graphs, stacked graphs, and word clouds with sentences. www.sciencedirect.com/science/arti...
sciencedirect.com
Developing a qualitative and quantitative ambulatory assessment-based feedback system within cognitive behavioural interventions for people with persecutory beliefs
Although the application of self-monitoring (ambulatory assessment) and visual feedback in psychological interventions has yielded promising results, …
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Egon Dejonckheere @dejonckheeregon.bsky.social · 27/03/2025
m-Path goes to Amsterdam! 🇳🇱 Science and Tech-companies meet each other @ the Nemo Science Museum to exchange knowledge and innovative solutions to measure and reduce stress in daily life! 🧑‍🔬📈📲
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 25/03/2025
Using fixed (e.g. stress>70) thresholds when triggering interventions or questionnaires is not optimal. For example, some participants never reach a stress level of 70, some are always above 70. This pre-print shows that triggering with personalized thresholds, solving this problem, is possible!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 24/03/2025
Very cool paper on an ambulatory assessment based blended care implementation! #blended #ESM #EMA
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Tilburg Experience Sampling Center @tesc-tilburgu.bsky.social · 19/03/2025
Interested in ESM but don’t know where to start? On Thursday May 22 we organize a workshop on how to design and analyze your ESM study! Register here: forms.office.com/e/2jUtLe2t2R. With @domimaciejewski.bsky.social, @dejonckheeregon.bsky.social, Marlies Houben @tilburg-university.bsky.social
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Egon Dejonckheere @dejonckheeregon.bsky.social · 04/03/2025
New work in @clinpsychrev: "EMA in psychotherapy research" EMA: ✅ most used in clin *research* ✅ often to predict symptom changes ✅ rarely implemented to impact therapeutic processes ✅ research needed on actual EMA benefits in *practice* www.sciencedirect.com/science/arti...
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 26/02/2025
New website!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 30/01/2025
Experience sampling conference AND Alter @dejonckheeregon.bsky.social Dj set 🤩😍🤯
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Egon Dejonckheere @dejonckheeregon.bsky.social · 04/12/2024
Dr. Maarten Piot explaining how he developed m-Path’s clinical dashboard via a user-centered design in close collaboration with clinical practitioners! #PhD #EMA #ESM
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Egon Dejonckheere @dejonckheeregon.bsky.social · 25/11/2024
Our Chief Measurement Officer at m-Path just obtained her PhD! Congratulations Dr. Cloos!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 21/11/2024
Proud to be part of such a cool project!
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Loes Pouwels @loespouwels.bsky.social · 20/11/2024
Question to ESM researchers: Is there any research available on the pros vs cons of the examination of ESM items in a fixed vs random order?
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Tom Van Daele @handle.invalid · 19/11/2024
🧠 In recent months, I've been asked frequently whether the #AppleVisionPro is worth investing in for #MentalHealthcare organizations. Following extensive testing - with insightful assistance from my 9-year-old son, a VR enthusiast with nearly 5 years of experience, here are 3 key takeaways.
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Dr. Cheri A Levinson @cherilev.bsky.social · 18/11/2024
go.bsky.app/8SV4dtQ
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Lesley Norris, PhD @lesleynorris.bsky.social · 15/11/2024
Now that I understand starter packs, I've (re)started one for people interested in all things psychotherapy personalization and optimizing treatments to the individual 😊 Anyone welcome! And consider joining our Person-Centered Treatment and Prevention Collaborative group! go.bsky.app/FXmURQf
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 14/11/2024
1/2 New iOS m-Path app alert! - previous app was hosted on app store of university - new app is in our own m-Path app store - old app will keep working - old app wont receive updates, try to download new one - link to new: apps.apple.com/be/app/m-pat... - please give 5 star rating😃
apps.apple.com
‎m-Path
‎This app is an emotional monitoring tool, connecting surveyors and respondents in a seamless manner. Researchers or practitioners devise questionnaires for participants or clients respectively, which...
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 08/11/2024
1/3 From now on its easy to import and analyze #ESM / #EMA m-Path data in R! Lara Navarrete and Koen Niemeijer created an amazing R package to: - Import m-Path data in R - Preprocess - Check participant response behavior - Transform variables - Analyze - Link data with other #ESM/#EMA R packages
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 24/10/2024
Great list, great people, great research! Make sure to follow if you are interest in #ESM #EMA #AA #IntensiveLongitudinalResearch !
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 15/10/2024
📣m-Path Innovative Research Grant (MIRG) Announcement 📣 Apply now to run your original and innovative #EMA / #ESM study with a free m-Path premium account! 👩‍🎓📱 Repost = kind!
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 27/09/2024
New position available at our beautiful university: professor in experimental clinical psychology who is well-versed in learning psychology, experimental psychopathology, and (cognitive) behavior therapy. More info: www.kuleuven.be/personeel/jo... Thanks for sharing and spreading the #vacancy!
kuleuven.be
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Zsuzsanna Chappell @zsuzsannachappell.bsky.social · 19/09/2024
I am slowly adding more people to my Mental Health starter pack. My aim is to add people who post actively and at least some of their posts are about #MH, to make the list as useful as possible. Suggestions are welcome, this list is mostly crowd sourced! #academicsky go.bsky.app/MfWbYvP
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rogier kievit @rogierk.bsky.social · 19/09/2024
I made an attempt at a bsky psychometrics starter pack with people who work on or largely with psychometric tools! Please reskeet and (selfl!)nominate to help me fill my many and varied blind spots and make this a useful and balanced resource #rstats #psychometrics go.bsky.app/6oGLp7D
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 19/09/2024
Yesterday we moved office from our offices at KU Leuven (university) to our new m-Path offices. We took one last picture in front of the PSI. Some of us had worked here for more than 14 years. PSI, you will be missed!
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Thomas Ehring @thomasehring.bsky.social · 03/06/2024
We are looking for a PhD student to join our team at LMU Munich. You will be part of a project aiming to understand the mechanisms driving the reduction of repetitive negative thinking (RNT). The project is funded by the Wellcome Trust, collaborators Ed Watkins/Exeter and Michelle Craske/UCLA. (1/2)
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merijn 😺📱📈 @merijnmestdagh.bsky.social · 15/03/2024
Welcome everyone to this very first EMPOT tutorial! The automated YouTube subtitles are not perfect yet :). Currently creating 3 tutorial videos for researchers new to the m-Path/empot platform!
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