Prof. Dr. Klaus Opwis

Perrig, Sebastian A. C., von Felten, Nick, Vollenwyder, Beat, & Opwis, Klaus. (2025). Development and Psychometric Validation of a Positively Worded German Version of the System Usability Scale (SUS). International Journal of Human-Computer Interaction, 41. https://doi.org/10.1080/10447318.2024.2434720

Brühlmann, Florian, Memeti, Zgjim, Aeschbach, Lena F., Perrig, Sebastian A. C., & Opwis, Klaus. (2024). The effectiveness of warning statements in reducing careless responding in crowdsourced online surveys. Behavior Research Methods, 56(6), 5862–5875. https://doi.org/10.3758/s13428-023-02321-z

Paneth, Lisa, Jeitziner, Loris T., Rack, Oliver, Opwis, Klaus, & Zahn, Carmen. (2024). Zooming in: The role of nonverbal behavior in sensing the quality of collaborative group engagement. International Journal of Computer-Supported Collaborative Learning, 19(2), 187–229. https://doi.org/10.1007/s11412-024-09422-7

Perrig, Sebastian A.C., Scharowski, Nicolas, Brühlmann, Florian, von Felten, Nick, Opwis, Klaus, & Aeschbach, Lena Fanya. (2024, May 11). Independent Validation of the Player Experience Inventory: Findings from a Large Set of Video Game Players. Conference on Human Factors in Computing Systems - Proceedings. https://doi.org/10.1145/3613904.3642270

Aeschbach, Lena Fanya, De Castro Hüsler, Antony Berbert, & Opwis, Klaus. (2024). Systematic review on the methodological rigor and effectiveness of digital game-based learning in education. Osf.

Perrig, Sebastian A. C., Aeschbach, Lena Fanya, Scharowski, Nicolas, von Felten, Nick, Opwis, Klaus, & Brühlmann, Florian. (2024). Measurement practices in user experience (UX) research: a systematic quantitative literature review [Journal-article]. Frontiers in Computer Science, 6. https://doi.org/10.3389/fcomp.2024.1368860

Perrig, Sebastian A. C., von Felten, Nick, Honda, Marimo, Opwis, Klaus, & Brühlmann, Florian. (2024). Development and Validation of a Positive-Item Version of the Visual Aesthetics of Websites Inventory: The VisAWI-Pos. International Journal of Human-Computer Interaction, 40(20), 6622–6646. https://doi.org/10.1080/10447318.2023.2258634

Ruf, Alessia, Zahn, Carmen, Roos, Anna-Lena, & Opwis, Klaus. (2023). How do enhanced videos support generative learning and conceptual understanding in individuals and groups? Educational Technology Research and Development, 71(6), 2243–2269. https://doi.org/10.1007/s11423-023-10275-4

Aeschbach, L. F., Kayser, D., Berbert De Castro Hüsler, A., Opwis, K., & Brühlmann, F. (2023). The psychology of esports players’ ELO Hell: Motivated bias in League of Legends and its impact on players’ overestimation of skill [Journal-article]. Computers in Human Behavior, 147, 107828. https://doi.org/10.1016/j.chb.2023.107828

Reymond, Claire, Vornhagen, Jan B., Pelowski, Matthew, Opwis, Klaus, & Mekler, Elisa D. (2023). Images Influencing Images: How Pictorial Context Affects the Emotional Interpretation of Art Photographs. Psychology of Aesthetics, Creativity, and the Arts, 19(2), 232–246. https://doi.org/10.1037/aca0000523

Perrig, S. A. C., Ueffing, D., Opwis, K., & Brühlmann, F. (2023). Smartphone app aesthetics influence users’ experience and performance. Frontiers in Psychology, 14. https://doi.org/10.3389/fpsyg.2023.1113842

Scharowski, N., Perrig, S. A. C., Svab, M., Opwis, K., & Brühlmann, F. (2023). Exploring the effects of human-centered AI explanations on trust and reliance. Frontiers in Computer Science, 5. https://doi.org/10.3389/fcomp.2023.1151150

Vollenwyder, Beat, Petralito, Serge, Iten, Glena H., Brühlmann, Florian, Opwis, Klaus, & Mekler, Elisa D. (2023). How compliance with web accessibility standards shapes the experiences of users with and without disabilities. International Journal of Human-Computer Studies, 170. https://doi.org/10.1016/j.ijhcs.2022.102956

Ruf, Alessia, Zahn, Carmen, Agotai, Doris, Iten, Glena, & Opwis, Klaus. (2022). Aesthetic design of app interfaces and their impact on secondary students’ interest and learning. Computers and Education Open, 3. https://doi.org/10.1016/j.caeo.2022.100075

Aeschbach, Lena Fanya, Opwis, Klaus, & Brühlmann, Florian. (2022). Breaking immersion: A theoretical framework of alienated play to facilitate critical reflection on interactive media. Frontiers in Virtual Reality, 3, 01–14. https://doi.org/10.3389/frvir.2022.846490

Linxen, Sebastian, Sturm, Christian, Brühlmann, Florian, Cassau, Vincent, Opwis, Klaus, & Reinecke, Katharina. (2021, May 6). How weird is chi? Conference on Human Factors in Computing Systems - Proceedings. https://doi.org/10.1145/3411764.3445488

Aeschbach, Lena Fanya, Perrig, Sebastian A. C., Weder, Lorena, Opwis, Klaus, & Brühlmann, Florian. (2021). Transparency in Measurement Reporting: A Systematic Literature Review of CHI PLAY. Proc. ACM Hum.-Comput. Interact., 5(CHI PLAY), 1–21. https://doi.org/10.1145/3474660

Krauss, Luisa, Ott, Celine, Opwis, Klaus, Meyer, Andrea, & Gaab, Jens. (2021). Impact of Contextualizing Information on Aesthetic Experience and Psychophysiological Responses to Art in a Museum: A Naturalistic Randomized Controlled Trial. Psychology of Aesthetics, Creativity, and the Arts, 15(3), 505–516. https://doi.org/10.1037/aca0000280

Linxen, Sebastian, Sturm, Christian, Brühlmann, Florian, Cassau, Vincent, Opwis, Klaus, & Reinecke, Katharina. (2021, January 1). How WEIRD is CHI? https://doi.org/10.1145/3411764.3445488

Niederhauser, Mario, Ruf, Alessia, Jäger, Joscha, Zahn, Carmen, & Opwis, Klaus. (2021). Introducing a New Approach for Investigating Learning Behavior. Computer-Supported Collaborative Learning Conference, CSCL, 2021-June, 251–252.

Ruf, Alessia, Leisner, David, Zahn, Carmen, & Opwis, Klaus. (2021). Impact of Learners’ Video Interactions on Learning Success and Cognitive Load. Computer-Supported Collaborative Learning Conference, CSCL, 2021-June, 3–10.

Scharowski, Nicolas, Opwis, Klaus, & Brühlmann, Florian. (2021, January 1). Initial evidence for biased decision-making despite human-centered AI explanation. https://doi.org/10.31219/osf.io/5jzmb

Brühlmann, Florian, Petralito, Serge, Aeschbach, Lena F., & Opwis, Klaus. (2020). The quality of data collected online: An investigation of careless responding in a crowdsourced sample. Methods in Psychology, 2, 100022. https://doi.org/10.1016/j.metip.2020.100022

Brühlmann, Florian, Petralito, Serge, Rieser, Denise C., Aeschbach, Lena F., & Opwis, Klaus. (2020). TrustDiff: Development and Validation of a Semantic Differential for User Trust on the Web. Journal of Usability Studies, 16(1), 29–48. https://uxpajournal.org/trustdiff-semantic-differential-for-user-trust-web/

Reymond, Claire, Pelowski, Matthew, Opwis, Klaus, Takala, Tapio, & Mekler, Elisa D. (2020). Aesthetic evaluation of digitally reproduced art images. Frontiers in Psychology, 11, 615575. https://doi.org/10.3389/fpsyg.2020.615575

Steinemann, Sharon T., Geelan, Benjamin J., Zaehringer, Stephan, Mutuura, Kamalatharsi, Wolkow, Ewgenij, Frasseck, Lars, & Opwis, Klaus. (2020). Potentials and pitfalls of increasing prosocial behavior and self-efficacy over time using an online personalized platform. PLoS ONE, 15(6), e0234422. https://doi.org/10.1371/journal.pone.0234422

Vollenwyder, Beat, Buchmüller, Esther, Trachsel, Christian, Opwis, Klaus, & Brühlmann, Florian. (2020). My Train Talks to Me: Participatory Design of a Mobile App for Travellers with Visual Impairments. In Miesenberger, Klaus; Manduchi, Roberto; Covarrubias Rodriguez, Mario; Peňáz, Petr (Ed.), Lecture Notes in Computer Science. Springer. https://doi.org/10.1007/978-3-030-58796-3_2

Vollenwyder, Beat, Opwis, Klaus, & Brühlmann, Florian. (2020). How Web Professionals Perceive Web Accessibility in Practice: Active Roles, Process Phases and Key Disabilities. In Miesenberger, Klaus; Manduchi, Roberto; Covarrubias Rodriguez, Mario; Peňáz, Petr (Ed.), Lecture Notes in Computer Science. Springer. https://doi.org/10.1007/978-3-030-58796-3_35

Bopp, Julia Ayumi, Müller, Livia J., Aeschbach, Lena Fanya, Opwis, Klaus, & Mekler, Elisa D. (2019, January 1). Exploring emotional attachment to game characters. https://doi.org/10.1145/3311350.3347169

Vollenwyder, Beat, Iten, Glena H., Brühlmann, Florian, Opwis, Klaus, & Mekler, Elisa D. (2019). Salient beliefs influencing the intention to consider Web Accessibility. Computers in Human Behavior, 92, 352–360. https://doi.org/10.1016/j.chb.2018.11.016

Opwis, Klaus, Beller, Sieghard, & Spada, Hans. (2018). Problemlösen, Denken, Entscheiden. In Kiesel, Andrea; Spada, Hans (Ed.), Lehrbuch Allgemeine Psychologie (pp. 197–270). Hogrefe.

Bopp, Julia Ayumi, Opwis, Klaus, & Mekler, Elisa D. (2018, January 1). “An odd kind of pleasure”: Differentiating emotional challenge in digital games. https://doi.org/10.1145/3173574.3173615

Brühlmann, Florian, Vollenwyder, Beat, Opwis, Klaus, & Mekler, Elisa D. (2018, January 1). Measuring the “Why” of Interaction: Development and Validation of the User Motivation Inventory (UMI). CHI ’18. https://doi.org/10.1145/3173574.3173680

Iten, Glena H., Bopp, Julia Ayumi, Steiner, Clemens, Opwis, Klaus, & Mekler, Elisa D. (2018). Does a prosocial decision in video games lead to increased prosocial real-life behavior? The impact of reward and reasoning. Computers in Human Behavior, 89, 163–172. https://doi.org/10.1016/j.chb.2018.07.031

Iten, Glena Helen, Troendle, Antonin, & Opwis, Klaus. (2018). Aesthetics in Context - The Role of Aesthetics and Usage Mode for a Website’s Success. Interacting with Computers, 30(2), 133–149. https://doi.org/10.1093/iwc/iwy002

Iten, Glena H., Steinemann, Sharon T., & Opwis, Klaus. (2018, January 1). Choosing to Help Monsters: A Mixed-Method Examination of Meaningful Choices in Games. https://doi.org/10.1145/3173574.3173915

Lerch, Vanessa R., Steinemann, Sharon T., & Opwis, Klaus. (2018, January 1). Understanding fitness app usage over time: Moving beyond the need for competence. https://doi.org/10.1145/3170427.3188608

Müller, Livia J., Opwis, Klaus, & Mekler, Elisa D. (2018, January 1). “In a good way weird”: Exploring positive experiences with technology-mediated pornography. https://doi.org/10.1145/3170427.3188527

Vollenwyder, Beat, Schneider, Andrea, Krueger, Eva, Brühlmann, Florian, Opwis, Klaus, & Mekler, Elisa D. (2018). How to use plain and easy-to-read language for a positive user experience on websites. In Miesenberger, Klaus; Kouroupetroglou, Georgios (Ed.), Lecture Notes in Computer Science book series (LNCS). Springer. https://doi.org/10.1007/978-3-319-94277-3_80

Heinz, Silvia, Linxen, Sebastian, Tuch, Alexandre N., Frasseck, Lars, & Opwis, Klaus. (2017). Is It Still Where I Expect It? Users’ Current Expectations of Interface Elements on the Most Frequent Types of Websites. Interacting with Computers, 29, 325–344. https://doi.org/10.1093/iwc/iww012

Iten, Glena, Steinemann, Sharon, & Opwis, Klaus. (2017, January 1). To save or to sacrifice? Understanding meaningful choices in games. https://doi.org/10.1145/3130859.3131309

Mekler, Elisa D., Brühlmann, Florian, Tuch, Alexandre N., & Opwis, Klaus. (2017). Towards understanding the effects of individual gamification elements on intrinsic motivation and performance. Computers in Human Behavior, 71, 525–534. https://doi.org/10.1016/j.chb.2015.08.048

Petralito, Serge, Brühlmann, Florian, Iten, Glena, Mekler, Elisa D., & Opwis, Klaus. (2017). A good reason to die: How avatar death and high challenges enable positive experiences? CHI 2017, May 6-11, 2017, Denver, CO, USA. https://doi.org/10.1145/3025453.3026047

Steinemann, Sharon, Geelan, Benjamin, de Salas, Kristy, & Opwis, Klaus. (2017, January 1). Simple acts for a better world: A gameful system for prosocial behavior - Preliminary design and research plan. https://doi.org/10.1145/3130859.3131295

Steinemann, Sharon T., Iten, Glen H., Opwis, Klaus, Forde, Seamus. F., Frasseck, Lars, & Mekler, Elisa D. (2017). Interactive narratives affecting social change: A closer look at the relationship between interactivity and prosocial behavior. Journal of Media Psychology, 29(1), 54–66. https://doi.org/10.1027/1864-1105/a000211

Adamski, N., Adler, M., Opwis, K., & Penner, I. -K. (2016). A pilot study on the benefit of cognitive rehabilitation in Parkinson’s disease. Therapeutic Advances in Neurological Disorders, 9(3), 153–164. https://doi.org/10.1177/1756285616628765

Bopp, Julia Ayumi, Mekler, Elisa D., & Opwis, Klaus. (2016, January 1). Negative emotion, positive experience? Emotionally Moving Moments in Digital Games. https://doi.org/10.1145/2858036.2858227

Endress, Sarah I., Mekler, Elisa D., & Opwis, Klaus. (2016, January 1). “It’s Like I Would Die as Well”: Gratifications of Fearful Game Experience. https://doi.org/10.1145/2968120.2987716

Forde, Seamus F., Mekler, Elisa D., & Opwis, Klaus. (2016, January 1). Informational, but not Intrinsically Motivating Gamification’: Preliminary Findings. https://doi.org/10.1145/2968120.2987738

Merz, Benedikt, Tuch, Alexandre N., & Opwis, Klaus. (2016). Perceived User Experience of Animated Transitions in Mobile User Interfaces. CHI Conference on Human Factors in Computing Systems, 3152–3158. https://doi.org/10.1145/2851581.2892489

Müller, Livia J., Mekler, Elisa D., & Opwis, Klaus. (2016, January 1). Hedonic Enjoyment And Personal Expressiveness In Positive User Experiences. https://doi.org/10.1145/2851581.2892494

Steinemann, Sharon T., Mekler, Elisa D., & Opwis, Klaus. (2016, January 1). The Winner Gives It All’: Preliminary Results on The Role of Game Outcome on the Effectiveness of a Game for Change. https://doi.org/10.1145/2968120.2987739

Bopp, Julia Ayumi, Mekler, Elisa D., & Opwis, Klaus. (2015, January 1). “It Was Sad But Still Good”: Gratifications of Emotionally Moving Game Experiences. https://doi.org/10.1145/2702613.2732852

Forde, Seamus F., Mekler, Elisa D., & Opwis, Klaus. (2015, January 1). Informational vs. Controlling Gamification: A Study Design. https://doi.org/10.1145/2793107.2810297

Hubacher, M., Kappos, L., Weier, K., Stöcklin, M., Opwis, K., Opwis, K., & Penner, I. -K. (2015). Cognitive rehabilitation of working memory in juvenile Multiple Sclerosis: Effects on cognitive functioning, functional MRI and network related connectiviy. Restorative Neurology and Neuroscience, 33, 713–725. https://doi.org/10.3233/rnn-150497

Hubacher, M., Kappos, L., Weier, K., Stöcklin, M., Opwis, K., & Penner, I. -K. (2015). Case-based fMRI analysis after cognitive rehabilitation in MS: A novel approach. Frontiers in Neurology, 6, 78. https://doi.org/10.3389/fneur.2015.00078

Ledermann, Katharina, Jeanmonod, Daniel, McAleese, Salome, Aufenberg, Christoph, Opwis, Klaus, & Martin-Soelch, Chantal. (2015). Effects of Cerebellothalamic Tractotomy on Cognitive and Emotional Functioning in Essential Tremor: A Preliminary Study in 5 Essential Tremor Patients. Stereotactic and Functional Neurosurgery, 93(2), 127–132. https://doi.org/10.1159/000368438

Müller, Livia J., Mekler, Elisa D., & Opwis, Klaus. (2015, January 1). Facets In HCI: Towards Understanding Eudaimonic UX - Preliminary Findings. https://doi.org/10.1145/2702613.2732836

Seckler, Mirjam, Heinz, Silvia, Forde, Seamus, Tuch, Alexandre N., & Opwis, Klaus. (2015). Trust and distrust on the web : User experiences and website characteristics. Computers in Human Behavior, 45, 39–50. https://doi.org/10.1016/j.chb.2014.11.064

Seckler, M., Opwis, K., & Tuch, A. N. (2015). Linking objective design factors with subjective aesthetics: An experimental study on how structure and color of websites affect the facets of users’ visual aesthetic perception. Computers in Human Behavior, 49, 375–389. https://doi.org/10.1016/j.chb.2015.02.056

Steinemann, Sharon T., Mekler, Elisa D., & Opwis, Klaus. (2015, January 1). Increasing Donating Behavior Through a Game for Change: The Role of Interactivity and Appreciation. https://doi.org/10.1145/2793107.2793125

Heinz, Silvia, & Opwis, Klaus. (2014). ZeGo - Zufriedenheit im eGovernment 2013. Messung der Zufriedenheit mit den Kantonsportalen der Schweiz. 27. Department pf Psychology, University of Basel.

Iten, G. H., Hübscher, R., Heinz, S., Opwis, K., & Stöcklin, M. (2014, January 1). The impact of interactive visual simulations on learning statistics. https://doi.org/10.1145/2559206.2581208

Linxen, S., Tuch, A. N., Heinz, S., Opwis, K., & Müller, L. J. (2014, January 1). Mental models for web objects in different cultural settings. https://doi.org/10.1145/2559206.2581209

Mekler, E. D., Bopp, J. A., Tuch, A. N., & Opwis, K. (2014, January 1). A systematic review of quantitative studies on the enjoyment of digital entertainment games. https://doi.org/10.1145/2556288.2557078

Mekler, Elisa D., Tuch, Alexandre N., Martig, Anja Lea, & Opwis, Klaus. (2014, January 1). A diary study exploring game completion and player experience. https://doi.org/10.1145/2658537.2661304

Reimer, Torsten, Bornstein, Anne-Louise, & Opwis, Klaus. (2014). Positive and Negative Transfer Effects in Groups. In Betsch, Tilmann; Haberstroh, Susuanne (ed.), The Routines of Decision Making (pp. 175–192). Taylor & Francis. https://doi.org/10.4324/9781410611826

Ruf, Alessia, Seckler, Mirjam, & Opwis, Klaus. (2014, January 1). Long-term modality effect in multimedia learning. https://doi.org/10.1145/2639189.2670251

Seckler, Mirjam, Heinz, Silvia, Bargas-Avila, Javier A., Opwis, Klaus, & Tuch, Alexandre N. (2014, January 1). Designing usable web forms: empirical evaluation of web form improvement guidelines. https://doi.org/10.1145/2556288.2557265

Bromundt, V., Wirz-Justice, A., Kyburz, S., Opwis, K., Dammann, G., & Cajochen, C. (2013). Circadian sleep-wake, well-being and light treatment in borderline personality disorder. Journal of Personality Disorders, 27(5), 680–696. https://doi.org/10.1521/pedi_2012_26_057

Heinz, S., Hug, M., Nugaeva, C., & Opwis, K. (2013). Online ad banners: the effects of goal orientation and content congruende on memory. CHI ’13. https://doi.org/10.1145/2468356.2468692

Hubacher, Martina, Weiland, Marcus, Calabrese, Pasquale, Stoppe, Gabriela, Stöcklin, Markus, Fischer-Barnicol, David, Opwis, Klaus, & Penner, Iris-Katharina. (2013). Working Memory Training in Patients with Chronic Schizophrenia: A Pilot Study. Psychiatry Journal, 2013, 154867. https://doi.org/10.1155/2013/154867

Hubacher, M., Weber, P., Stoecklin, M., Specht, K., Kappos, L., Opwis, K., & Penner, I.-K. (2013). Case-based approach to evaluate the efficacy of working memory training in juvenile Multiple Sclerosis. Multiple Sclerosis Journal, 19(7), 975–976. https://doi.org/10.1177/1352458513490384

Hug, M., Suter, N., Mekler, E., & Opwis, K. (2013). Ads suit up! Effects of website and advertiser credibility on consumer responses to banners ads. CHI ’13. https://doi.org/10.1145/2468356.2468680

Mekler, Elisa D., Brühlmann, Florian, Opwis, Klaus, & Tuch, Alexandre N. (2013). Disassembling gamification: the effects of points and meaning on user motivation and performance. CHI ’13. https://doi.org/10.1145/2468356.2468559

Mekler, Elisa D., Brühlmann, Florian, Opwis, Klaus, & Tuch, Alexandre N. (2013, January 1). Do points, levels and leaderboards harm intrinsic motivation?: an empirical analysis of common gamification elements. https://doi.org/10.1145/2583008.2583017

Orsini, Sebastien, Opwis, Klaus, & Bargas-Avila, Javier A. (2013). Response to the reviews on Bargas-Avila et al. (2009) ‘Intranet Satisfaction Questionnaire: Development and Validation of a Questionnaire to Measure User Satisfaction with the Intranet’. Interacting with Computers, 25(4), 304–306. https://doi.org/10.1093/iwc/iwt012

Pfaltz, M. C., Kandzia, W., McAleese, S., Saladin, A., Meyer, A. H., Stoecklin, M., Opwis, K., Dammann, G., & Martin-Soelch, C. (2013). The Reading the Mind in the Eyes Test: test-retest reliability and preliminary psychometric properties of the German version. International Journal of Advances in Psychology Research, 2(1), 1–9.

Pirotta, R., Jeanmonod, D., McAleese, S., Auffenberg, C., Opwis, K., Jenewein, J., & Martin-Soelch, C. (2013). Cognitive functioning, emotional processing, mood and personality variables before and after stereotactic surgery : A study of eight cases with chronic neuropathic pain. Neurosurgery, 73, 121–128. https://doi.org/10.1227/01.neu.0000429845.06955.70

Roth, Sandra P., Tuch, Alexandre N., Mekler, Elisa D., Bargas-Avila, Javier A., & Opwis, Klaus. (2013). Location matters, especially for non-salient features - An eye-tracking study on the effects of web object placement on different types of websites. International Journal of Human-Computer Studies, 71(3), 228–235. https://doi.org/10.1016/j.ijhcs.2012.09.001

Seckler, M., Heinz, S., Bargas-Avila, J., Opwis, K., & Tuch, A. (2013). Empirical evaluation of 20 web form optimization guidelines. CHI ’13. https://doi.org/10.1145/2468356.2468695

Bechtel, N., Kobel, M., Penner, I. -K., Specht, K., Klarhöfer, M., Scheffler, K., Opwis, K., Schmitt-Mechleke, T., Capone, A., & Weber, P. (2012). Attention deficit/ hyperactivity disorder in childhood epilepsy: A neuropsychological and fMRI study. Epilepsia, 53(2), 325–333. https://doi.org/10.1111/j.1528-1167.2011.03377.x

Penner, Iris-Katharina, Kobel, Maja, Stöcklin, Markus, Weber, Peter, Opwis, Klaus, & Calabrese, Pasquale. (2012). The Stroop task : Comparison between the original paradigm and computerized versions in children and adults. The Clinical Neuropsychologist, 26(7), 53–1142. https://doi.org/10.1080/13854046.2012.713513

Penner, Iris-Katharina, Vogt, Annamarie, Stoecklin, Markus, Gschwind, Leo, Opwis, Klaus, & Calabrese, Pasquale. (2012). Computerized working memory training in healthy adults : A comparison of two different training schedules. Neuropsychological Rehabilitation, 22(5), 716–733. https://doi.org/10.1080/09602011.2012.686883

Seckler, Mirjam, Tuch, Alexandre N., Opwis, Klaus, & Bargas-Avila, Javier A. (2012). User-friendly locations of error messages in web forms : put them on the right side of the erroneous input field. Interacting with Computers : The Interdisciplinary Journal of Human-Computer Interaction, 24(3), 107–118. https://doi.org/10.1016/j.intcom.2012.03.002

Tuch, Alexandre N., Presslaber, Eva E., Stoecklin, Markus, Opwis, Klaus, & Bargas-Avila, Javier A. (2012). The role of visual complexity and prototypicality regarding first impression of websites : working towards understanding aesthetic judgments. International Journal of Human-Computer Studies, 70(11), 794–811. https://doi.org/10.1016/j.ijhcs.2012.06.003

Tuch, Alexandre N., Roth, Sandra P., Hornbaek, Kasper, Opwis, Klaus, & Bargas-Avila, Javier A. (2012). Is beautiful really usable? : toward understanding the relation between usability, aesthetics, and affect in HCI. Computers in Human Behavior, 28(5), 1596–1607. https://doi.org/10.1016/j.chb.2012.03.024

Bargas-Avila, J. A., Roth, S. P., Tuch, A. N., & Opwis, K. (2011). You never get a second chance to make a first impression : meet your users’ expectations regarding web object placement in online shops. In Pantano, E; Timmermans, H (ed.), Advanced technologies management for retailing : frameworks and cases (pp. 221–235). Business Science Reference. https://doi.org/10.4018/978-1-60960-738-8.ch011

Bargas-Avila, J.A., Brenzikofer, O., Tuch, A.N., Roth, S.P., & Opwis, K. (2011). Working towards usable forms on the World Wide Web : optimizing multiple selection interface elements. Advances in Human Computer Interaction, 347171, 6 pages, 6. https://doi.org/10.1155/2011/347171

Bargas-Avila, J.A., Orsini, S., Piosczyk, H., Urwyler, D., & Opwis, K. (2011). Enhancing online forms: use format specifications for fields with format restrictions to help respondents. Interacting with Computers : The Interdisciplinary Journal of Human-Computer Interaction, 23(1), 33–39. https://doi.org/10.1016/j.intcom.2010.08.001

Bargas-Avila, Javier A., Brenzikofer, Olivia, Tuch, Alexandre N., Roth, Sandra P., & Opwis, Klaus. (2011). Working towards usable forms on the World Wide Web : optimizing date entry input fields. Advances in Human-Computer Interaction, 202701, 8 pages, 202701 (8 pp.). https://doi.org/10.1155/2011/202701

Bromundt, Vivien, Köster, Matthias, Georgiev-Kill, Angela, Opwis, Klaus, Wirz-Justice, Anna, Stoppe, Gabriela, & Cajochen, Christian. (2011). Sleep-wake cycles and cognitive functioning in schizophrenia. British Journal of Psychiatry, 198(4), 76–269. https://doi.org/10.1192/bjp.bp.110.078022

Heinz, Silvia, & Opwis, Klaus. (2011, January 1). ZeGo 2011 - Zufriedenheit im eGovernment : Messung der Zufriedenheit mit den 26 Kantonsportalen der Schweiz [Institut für Psychologie Universität Basel]. http://www.ub.unibas.ch/digi/a125/sachdok/2014/BAU_1_5848302.pdf

Hubacher, M., Kappos, L., Opwis, K., Stoecklin, M., Pape, E., & Penner, I. -K. (2011). Can treatment effects of IFNB-1b on cognition be enhanced by additional cognitive training? Multiple Sclerosis Journal, 17(10_suppl), S400–S401. https://doi.org/10.1177/1352458511422301

Hubacher, M., Kappos, L., Opwis, K., Stoecklin, M., Weier, K., Sprenger, T., & Penner, I.-K. (2011). Benefits of cognitive training in MS patients treated with INFB-1b. Swiss Archives of Neurology and Psychiatry, 162(4), 6–7.

Huebscher, Christian, Pauwels, Stefan L., Roth, Sandra P., Bargas-Avila, Javier A., & Opwis, Klaus. (2011). The organization of interaction design pattern languages alongside the design process. Interacting with Computers : The Interdisciplinary Journal of Human-Computer Interaction, 23(3), 189–201. https://doi.org/10.1016/j.intcom.2011.02.009

Leuthold, Stefan, Schmutz, Peter, Bargas-Avila, Javier A., Tuch, Alexandre N., & Opwis, Klaus. (2011). Vertical versus dynamic menus on the World Wide Web : eye tracking study measuring the influence of menu design and task complexity on user performance and subjective preference. Computers in Human Behavior, 27(1), 459–472. https://doi.org/10.1016/j.chb.2010.09.009

Opwis, K. (2011). Margini : eine Zugriffs- und Nutzungsanalyse der Jahre 2007 bis 2010 [Review of Margini : eine Zugriffs- und Nutzungsanalyse der Jahre 2007 bis 2010]. Margini, 5, 3–9. www.margini.unibas.ch

Tuch, AT, Kreibig, SD, Roth, SP, Bargas-Avila, JA, Opwis, K, & Wilhelm, FH. (2011). The role of visual complexity in affective reactions to web pages : subjective, eye movement, and cardiovascular responses. IEEE Transactions on Affective Computing, 2(4), 230–236. https://doi.org/10.1109/t-affc.2011.18

Bargas-Avila, J. A., Brenzikofer, O., Roth, S. P., Tuch, A. N., Orsini, S., & Opwis, K. (2010). Simple but crucial user interfaces in the World Wide Web : introducing 20 guidelines for usable web form design, user interfaces. In Matrai, Rita (ed.), User Interfaces: Vol. 10 S. Intech. https://doi.org/10.5772/9500