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Tomas Vetrovsky

@tomasvet.bsky.social
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Reposted by Tomas Vetrovsky
Stuart Fairclough @physactivityed.bsky.social · 29/06/2025
I contributed to two preprints published last week which consider issues around assessing the relative intensity of physical activity in research studies. Links: osf.io/preprints/ps... and doi.org/10.1101/2025...
osf.io
OSF
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Stuart Fairclough @physactivityed.bsky.social · 23/06/2025
I've posted a Euraxess advert for a Marie Skłodowska-Curie Postdoctoral Fellowship project under Horizon Europe, focused on accelerometer methods for assessing children's physical activity. I’d be grateful for shares and reposts! 🙏 Link is below 👇 euraxess.ec.europa.eu/jobs/354331
euraxess.ec.europa.eu
Improving the utility and interpretation of children’s physical activity assessed by accelerometers
Edge Hill University is seeking to host exceptional research fellows funded by the Marie Skłodowska-Curie Postdoctoral Fellowships scheme to develop accelerometer methods for the assessment of physica...
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Society for Ambulatory Assessment @ambulatory-assessment.org · 19/06/2025
Out now: The June 2025 issue of our newsletter "The Signal" ambulatory-assessment.org/june-2025/ The newsletter includes a recap of #SAA2025 @saa2025leuven.bsky.social, an outlook to #SAA2026 at @univie.ac.at, an interview with Professor Thomas Kubiak, one of the founders of SAA, and more!
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Nikos Ntoumanis @nikosntoumanis.bsky.social · 14/06/2025
Using the multiphase optimization strategy (MOST) framework, this study tested optimized mHealth-delivered interventions for reducing recreational sedentary screen time in adults by at least 60 min/day doi.org/10.1186/s129...
ijbnpa.biomedcentral.com
StandUPTV: a full-factorial optimization trial to reduce sedentary screen time among adults - International Journal of Behavioral Nutrition and Physical Activity
Background Using the multiphase optimization strategy (MOST) framework, we aimed to identify an optimized mHealth-delivered intervention for reducing recreational sedentary screen time (rSST) by at le...
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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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Centre for Lifestyle Medicine and Behaviour: CLiMB @lboroclimb.bsky.social · 10/06/2025
'The Power of Snack-Sized Fitness' CLiMB Director Professor Amanda Daley discusses the latest developments in lifestyle medicine with EMJ Reviews. Read it here: www.emjreviews.com/flagship-jou...
emjreviews.com
The Power of Snack-Sized Fitness: Interview with Amanda Daley
Lifestyle medicine is a large topic area to cover, but there have been some notable advancements in the areas in which I work that are...
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Iris Maes @irismaes.bsky.social · 02/06/2025
📢 Excited to share our latest publication! Which determinants influence older adults' compliance with walking suggestions provided after a period of inactivity? 📱🔔🚶‍♂️ And how do older adults perceive such mHealth suggestions? 🧓👵 📑 doi.org/10.1111/aphw... #EMA #PA #Elderly @pahealthugent.bsky.social
doi.org
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Society for Ambulatory Assessment @ambulatory-assessment.org · 30/05/2025
We are already looking forward to #SAA2026, which will take place at the @univie.ac.at 🇦🇹 from 3 to 5 August 2026. More information will follow shortly on the conference website: univie.eventsair.com/saa2026/ 📅 Abstract submission will open on 1 December 2025!
Save the date: Society for Ambulatory Assessment Conference, 3-5 August 2026 in Vienna, Austria
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Stephen Wild @stephenjwild.bsky.social · 30/05/2025
journals.sagepub.com/doi/abs/10.1...
We make only one point in this article. Every quantitative study must be able to answer the question: what is your estimand? The estimand is the target quantity—the purpose of the statistical analysis. Much attention is already placed on how to do estimation; a similar degree of care should be given to defining the thing we are estimating. We advocate that authors state the central quantity of each analysis—the theoretical estimand—in precise terms that exist outside of any statistical model. In our framework, researchers do three things: (1) set a theoretical estimand, clearly connecting this quantity to theory; (2) link to an empirical estimand, which is informative about the theoretical estimand under some identification assumptions; and (3) learn from data. Adding precise estimands to research practice expands the space of theoretical questions, clarifies how evidence can speak to those questions, and unlocks new tools for estimation. By grounding all three steps in a precise statement of the target quantity, our framework connects statistical evidence to theory.
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Society for Ambulatory Assessment @ambulatory-assessment.org · 28/05/2025
Save the date: #SAA2026 will take place on 3-5 August 226 in Vienna 🇦🇹. We will be hosted by @lauramkoenig.bsky.social @alearuf.bsky.social @univie.ac.at
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Dr. Laura M. König @lauramkoenig.bsky.social · 28/05/2025
#HPGVienna is so excited to host @ambulatory-assessment.org #SAA2026 conference in Vienna @univie.ac.at next year! 📆 Save the date: 3 to 6 August 2026
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Dr. Laura M. König @lauramkoenig.bsky.social · 28/05/2025
Abstract submissions for #SAA2026 will open on 1 December. Bookmark our website now to stay up to date on announcements and deadlines: univie.eventsair.com/saa2026/ #SAA2025
univie.eventsair.com
Home - Society for Ambulatory Assessment conference (SAA 2026) - OMP, University of Vienna
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Michal Frackowiak, PhD @mfrackowiak.bsky.social · 27/05/2025
#SAA2025: day 2 opens with an excellent talk from Ellen Hamaker, who elaborated on the MATILDA resource to help integrate theory, measurement and analysis in ILD studies. Thanks for this and for inspiring my PhD work!! 👏👏👏
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Michal Frackowiak, PhD @mfrackowiak.bsky.social · 26/05/2025
#SAA2025: an excellent talk from @bringmannlaura.bsky.social on the utility of qualitative data in ESM studies and debunking some myths regarding the quant vs qual research debate 👏
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Olivia Kirtley @oliviajkirtley.bsky.social · 26/05/2025
Happening now at #SAA2025! @gudruneisele.bsky.social leading a symposium on ESM data quality & quantity. Kicking us off @ccp-kuleuven.bsky.social PhD student, @millapihlajamaki.bsky.social on careless responding. Preprint: osf.io/preprints/ps... #ProudSupervisor
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SAA 2025 Leuven @saa2025leuven.bsky.social · 25/05/2025
Roll up, roll up! The registration desk is open! Lovely to already have seen some familiar faces. Come pick up your badge before 6pm to save queuing tomorrow morning. #SAA2025
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Society for Ambulatory Assessment @ambulatory-assessment.org · 25/05/2025
Great to see the first posts from #SAA2025 attendees. I also made it in time to enjoy some sunshine and explore the city before 3 busy days of conferencing (see ⬇️). My @ambulatory-assessment.org Communications Committee colleagues are looking forward to your posts ➡️ official hashtag is #SAA2025 /lmk
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Jay Van Bavel, PhD @jayvanbavel.bsky.social · 15/05/2025
Are #smartphones and #socialmedia harming a generation? This is a hotly debated and often polarizing debate. So we surveyed over 120 experts on the topic to see where there was genuine consensus (or not), like experts have previous done for climate change. See our paper: osf.io/preprints/ps...
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Björn Siepe @bsiepe.bsky.social · 14/05/2025
Here's a recent methods paper on casual effects if (micro-)randomized interventions in EMA: psycnet.apa.org/doi/10.1037/...
psycnet.apa.org
APA PsycNet
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Society for Ambulatory Assessment @ambulatory-assessment.org · 14/05/2025
Can you believe that #SAA2025 will already be over in 2 weeks from now? 😱 We are looking forward to seeing you all in Leuven! Follow us for updates on activities, including our General Assembly on Wednesday, 28 May, where we will also reveal next year's location. Any ideas where it may be? 🧐
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Peter Tennant @pwgtennant.bsky.social · 13/05/2025
I'm not sure it's ethical to be conducting associational studies for such socially important exposures as smartphone use in schools. Either conduct a causal study or don't do anything. Demonstrating the presence or absence of non causal association is not helpful and may end up being misleading.
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Julia M. Rohrer @dingdingpeng.the100.ci · 11/05/2025
Thanks to everybody who chimed in! I arrived at the conclusion that (1) there's a lot of interesting stuff about interactions and (2) the figure I was looking for does not exist. So, I made it myself! Here's a simple illustration of how to control for confounding in interactions:>
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SAA 2025 Leuven @saa2025leuven.bsky.social · 08/05/2025
📢Only 3 days left to register for the post-conference workshops! Registration closes on May 11. Sign up here: www.saa2025.com/Register
saa2025.com
SAA 2025
Society for Ambulatory Assessment Conference 2025
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Society for Ambulatory Assessment @ambulatory-assessment.org · 03/05/2025
Only three more weeks until #SAA2025 @saa2025leuven.bsky.social ! Presenters can now find the presentation guidelines on the conference website: www.saa2025.com
saa2025.com
SAA 2025
Society for Ambulatory Assessment Conference 2025
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Wearable Landscape @wearable-landscape.bsky.social · 05/05/2025
#MemberMonday Simon Woll, M.Sc., is a PhD student at @kit.edu researching at the intersection of #MachineLearning, 24-hour physical behavior and mental health. He leads the technical development of the Wearable Landscape initiative. #SportScience #BehSci #AcademicSky 🧪
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Nikos Ntoumanis @nikosntoumanis.bsky.social · 21/04/2025
This prospective twin study suggests that the association between Leisure Time PA and lower all-cause mortality is probably overestimated, and may be largely due to genetic confounding and reverse causality link.springer.com/article/10.1...
link.springer.com
The associations of long-term physical activity in adulthood with later biological ageing and all-cause mortality – a prospective twin study - European Journal of Epidemiology
Objectives: The association between leisure-time physical activity (LTPA) and a lower risk of mortality is susceptible to bias from multiple sources. We investigated the potential of biological ageing...
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Louise Poppe @louisepoppe.bsky.social · 16/04/2025
We conducted a qualitative study on oral health care for young children in Belgium and really put effort into reaching parents from minority groups. A short overview of our findings (using quotes from the focus groups and interviews 😊):
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Louise Poppe @louisepoppe.bsky.social · 11/04/2025
It’s a wrap! My #euroCIM2025 take-away message is 1. People are working on causal inference topics that go waaaay over my head 2. Many applied researchers are still unaware of the heroic assumptions they make 3. Both groups need to make efforts to close this gap
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Jess Rohmann @jlrohmann.bsky.social · 10/04/2025
Tutorials are most useful when they also address substantive questions of interest. I think #episky also has some good sneak tutorial examples (which often serve as what Julia calls "template articles")! You can find her whole slide deck at osf.io/ujpsq (extra points for openness 🏆) #EuroCIM2025
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isbnpa-emh.bsky.social @isbnpa-emh.bsky.social · 02/04/2025
🔔 A recent EMA study reveals that older individuals experience high positive affect and low negative affect when engaging in physical activity. Lower negative affect was associated with being outdoors alone or indoors with others. Discover more insights: 🔗 buff.ly/AxXXPzq #DigitalHealth
doi.org
Contexts, affective and physical states and their variations during physical activity in older adults: an intensive longitudinal study with sensor-triggered event-based ecological momentary assessments - International Journal of Behavioral Nutrition and Physical Activity
Background To design effective tailored interventions to promote physical activity (PA) among older adults, insights are needed into the contexts in which older adults engage in PA and their…
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Sofie Compernolle @sofiecompernolle.bsky.social · 31/03/2025
Honored to have been on the jury for @irismaes.bsky.social PhD defense!🎓👏 She was the first in our team to apply sensor-triggered EMA—a game-changer in understanding real-time PA behavior. By focusing on variability in PA determinants, she has truly pushed the field forward. Congrats, Iris!
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ISBNPA @isbnpa.bsky.social · 19/03/2025
New #IJBNPA publication described the physical and social contexts, affective and physical states, as well as their fluctuations, during #PhysicalActivity episodes among #OlderAdults! Check this out👇 ijbnpa.biomedcentral.com/articles/10....
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ISBNPA @isbnpa.bsky.social · 17/03/2025
New #IJBNPA publication discusses the role of causal reasoning in strengthening study design & inference when using Experience Sampling Method in #PhysicalActivityResearch! Check this out👇 ijbnpa.biomedcentral.com/articles/10.... @louisepoppe.bsky.social
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Sofie Compernolle @sofiecompernolle.bsky.social · 10/03/2025
🎉 Excited to share our latest publication! 🎉 "Contexts, affective and physical states and their variations during physical activity in older adults" is now out in IJBNPA! 🚶‍♂️🌿 Discover how real-life contexts shape older adults' PA experiences. #EMA 🔗 ijbnpa.biomedcentral.com/articles/10....
ijbnpa.biomedcentral.com
Contexts, affective and physical states and their variations during physical activity in older adults: an intensive longitudinal study with sensor-triggered event-based ecological momentary assessment...
Background To design effective tailored interventions to promote physical activity (PA) among older adults, insights are needed into the contexts in which older adults engage in PA and their affective...
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