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TIIM for participants

Join the Twente Panel today!

The Twente Intervention and Interaction Machine (TIIM) is an app developed by the BMS Lab. It is used by researchers, teachers, and students at the University of Twente to run studies and questionnaires. Through the TIIM app, you can answer questions, receive information, and provide feedback as part of a study.

In addition, TIIM also connects you with ongoing research that matters. The Twente Panel is a special pool of people who have expressed interest in participating in research projects. When you opt in, you give yourself the chance to be invited to new and exciting studies that match your interests. Every time you join a study, you help scientists collect meaningful data that shapes scientific knowledge. Your participation makes science better and more relevant to everyday life.

The app may also send notifications, show interactive content, or collect wearable data if needed. TIIM studies are designed to be safe and private: the system is GDPR compliant and uses secure, certified infrastructure.


Contact

If you have questions or concerns regarding your study, please get in touch with the research team. 

Useful links

  • Tutorial video: Using TIIM as a participant | Tutorialvideo: TIIM gebruiken als deelnemerENNL
  • TIIM participant manual | TIIM-deelnemershandleidingENNL

Join the Twente Panel – Help Shape the Future of Science

Why Your Contribution Matters

Participating in the Twente Panel means:

  • You get invitations to new research studies. 
  • Your responses help researchers understand real‑life questions and develop new insights that can impact health, behaviour, technology, and society. 
  • You become part of a community of people directly contributing to advancements in science, from understanding daily behaviours to improving health and wellbeing.

How to Join the Panel

Joining the Twente Panel is easy – you can tap yes on the notification asking you to join when you first use TIIM or you can go to settings and find the option to join the participantpant pool. Toggle the setting and you are in! 

Once you’re in, you may be invited to participate in future research that interests you. You can change your preferences at any time. 

Configuration

Notifications

The researcher may choose to send notifications through the study. These can be either push notifications (for example, to inform you that a module is available) or email notifications (for example, to let you know that the study has started). Hence, it is recommended that you turn on the notifications.

Health data and digital footprint

If needed, TIIM can collect data related to your health: heart rate, hours of sleep and number steps or your device information: GPS and battery life. When the study requires the collection of such data and you consent to it, you should switch this setting on. In the cases when this setting is turned on, but the study does not collect such data, the data will not be collected. You can always switch this setting off in the settings of the app.

Languages

TIIM is available in three languages: English, Dutch and German. By pressing on the language in which you would like to use TIIM, you can select the language in which you would like to use the app.

Studies

Under studies, you can see the studies in which you are enrolled in and the language in which they are available. On the right ride, you will see the option to sign out. By pressing sign out, you will unsubscribe yourself from the study, and you will not receive any new modules. The researcher will be able to see that you unsubscribed. 

Frequently asked questions (FAQ)

I do not receive notifications. What should I do?

If you do not receive notifications, please check that you have enabled notifications on via the app and the phone's settings. Ensure that the phone is not put in a mode that disables notifications. 

Are the participants anonymous?

Each participant is assigned an ID and the researchers can view the ID in their final data download. However, during administering the study, they are able to see the names and your study progess.

The researchers can check which settings are enables or disabled in your app. 

I do not see a study. What now?

If you do not see the study in which you registered, contact the research team to check if you have been assigned to it and what the start date of the study is. It is possible that you are regietered to a study that has not started yet.

Publications

Articles

van 't Klooster JWJR, Rabago Mayer LM, Klaassen B and Kelders SM (2024) Challenges and opportunities in mobile e-coaching. Front. Digit. Health 5:1304089. doi: 10.3389/fdgth.2023.1304089

Kip, H., Da Silva, M., Bouman, Y. H. A., van Gemert-Pijnen, L. J. E. W. C., & Kelders, S. M. (2021). A self-control training app to increase self-control and reduce aggression – A full factorial design. Internet interventions, 25, [100392]. https://doi.org/10.1016/j.invent.2021.100392

Kip, H. (2021). The added value of eHealth: Improving the development, implementation and evaluation of technology in treatment of offenders. University of Twente. https://doi.org/10.3990/1.9789036551311

Lentferink, A. J. (2021). Quantified eCoaching for Resilience Training: Combining self-tracking and persuasive eCoaching to train employees' capacity for resilience: identification of values and requirements with stakeholders. University of Twente. https://doi.org/10.3990/1.9789036552783

van 't Klooster, J. W. J. R., van Gend, J. E., Schreijer, M. A., de Witte, E. R., & van Gemert-Pijnen, L. J. E. W. C. (2021). Isolatiecoach: Een app als interventie ter bevordering van adherentie aan isolatie en quarantaine.

Lentferink, A., Noordzij, M. L., Burgler, A., Klaassen, R., Derks, Y., Oldenhuis, H., Velthuijsen, H., & Gemert-Pijnen, L. V. (2021). On the receptivity of employees to just-in-time self-tracking and eCoaching for stress management: a mixed-methods approach. Behaviour & information technology. https://doi.org/10.1080/0144929X.2021.1876764

Jongebloed-Westra, M., Bode, C., van Netten, J. J., ten Klooster, P. M., Exterkate, S. H., Koffijberg, H., & van Gemert-Pijnen, J. E. W. C. (2021). Using motivational interviewing combined with digital shoe-fitting to improve adherence to wearing orthopedic shoes in people with diabetes at risk of foot ulceration: study protocol for a cluster-randomized controlled trial. Trials, 22(1), [750]. https://doi.org/10.1186/s13063-021-05680-0

van der Zeeuw, A. (2021). IoT as simple as Do Re Mi: A micro-figurational approach to the social context of Internet of Things skills and digital inequalities. University of Twente. https://doi.org/10.3990/1.9789036552844

van 't Klooster, J. W. J. R., van Gend, J. E., Schreijer, M. A., de Witte, E. R., & van Gemert-Pijnen, L. J. E. W. C. (2022). The Value of eCoaching in the COVID-19 Pandemic to Promote Adherence to Self-isolation and Quarantine. In J-H. Kim, J. Khan, M. Singh, U. S. Tiwary, M. Sur, & D. Singh (Eds.), IHCI 2021 (pp. 417-422). (Lecture notes in computer science; Vol. 13184). Springer. https://doi.org/10.1007/978-3-030-98404-5_39

Student Theses

Dewi, Ni Made Gita Anandita (2025) Exploring Physiological and Psychological Stress Responses in Lean and Non-Lean Individuals Using Ambulatory Monitoring and the VR Trier Social Stress Test.

Huntjens, I.C.W. (2024) Exploring the Dynamics of Emotions: Combining the Experience Sampling Method With Continuous Physiological Data.

Hohlfeld, Nico M. (2024) Examining the Influence of Informative Podcasts About Sleep Health on the Development of Sleep Hygiene Behaviour in Young Adults: A Randomised Controlled Trial.

Uhlke, V.C. (2024) Exploring How Self-Monitoring Influences the Effects of Listening to Sleep Meditations to Improve Sleep Quality and Adherence.

Behrens, Jan (2024) Queer Minority Stress and Resilience in everyday life: An ecological momentary assessment study.

Wischmann, Mara (2022) An Experience Sampling Study on Self-Compassion and Loneliness in Daily Life.

Oomen, Iris (2021) Supporting Nurses' Regulatory Readiness at the Workplace via an Online Micro-Intervention.

Kattenberg, K.B. (2021) Supporting nurses’ daily self-regulated learning behaviour via an online micro-intervention.

Docter, M.S. (2021) Feeling Home Already? A Diary Study among Newcomers in STEM about the Effects of Interactions on Organisational Belonging, and how this Differs for Gender.

Dittrich, Samuel Marten (2021) Understanding the Association between Gratitude and Loneliness in Daily Life: An Experience Sampling Study.

Zorc, Elena (2021) The Association between daily affect and trait anxiety, depression, and alexithymia within individuals.

Gütges, I.D. (2020) Loneliness in the daily lives of university students : an experience sampling study exploring the role of social context and trait measures of loneliness and self-compassion.

Böggemann, Max (2020) The Association between Self-Compassion and Perceived Stress on the Within-Person and Between-Person Level.

Tiede, T. (2020) How did I feel? Recalling reported core affect in light of its fluctuation, the present state, and individual degrees of neuroticism.

Friedrichs, P.A.M. (2020) An experience sampling study into stress and the presence of friends.

Wellinger, Felizia Leonie (2020) The association between gratitude and stress in a daily context : an experience sampling study.

Watermann, Lara (2020) How the social context affects self-compassion and its association with stress - an experience sampling study.

Wallisch-Prinz, L. (2020) Measuring feelings of self-compassion and stress in daily life : an experience sampling study.

Berg, S.H.M.P. van den (2020) Co-designing a self-compassion application for newly diagnosed cancer patients with a focus on sustained use.

Adam, J.T. (2020) How the company of others and being alone affect feelings of loneliness and gratitude : an experience sampling study.

da Silva, Marcia Cristina (2019) A mobile app-based intervention for self-control(Hands-ON): usability and feasibility evaluations.

Ahlemeyer, Jan-Luca (2019) An experience sampling study into intra-individual correlations between bodily signals and experienced feelings.

Cordts, Florian (2019) Exploration of Video-On-Demand Watching Behaviour on YouTube and PS-ODVSP : an experience sampling study with regard to intentionality.

Hoppe, Wiebke (2019) Measuring Feelings of Anxiety and Depression in Daily Life – An Experience Sampling Study.

Sundermann, Josefine (2019) Assessing Predictors and Consequences of Video-on-Demand Streaming Behaviour : An Experience Sampling Study.

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