Klaus Opwis

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Is It Still Where I Expect It? - Users' Current Expectations of Interface Elements on the Most Frequent Types of Websites

Alexandre N. Tuch, Silvia Heinz, Sebastian Linxen, 2016, Interact. Comput..

You never get a second chance to make a first impression : meet your users’ expectations regarding web object placement in online shops

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2011 .

Do points, levels and leaderboards harm intrinsic motivation?: an empirical analysis of common gamification elements

Alexandre N. Tuch, Klaus Opwis, Elisa D. Mekler, 2013, Gamification.

Long-term modality effect in multimedia learning

Klaus Opwis, Mirjam Seckler, Alessia P. Ruf, 2014, NordiCHI.

Are Engineers Condemned to Design? A Survey on Software Engineering and UI Design in Switzerland

Klaus Opwis, Ljiljana Vukelja, Lothar Müller, 2007, INTERACT.

Wörterbuch der Kognitionswissenschaft

Günther Palm, Christian Freksa, Klaus Opwis, 1996 .

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'

Klaus Opwis, Javier A. Bargas-Avila, Sébastien Orsini, 2013, Interact. Comput..

"In A Good Way Weird": Exploring Positive Experiences with Technology-Mediated Pornography

Klaus Opwis, Elisa D. Mekler, Livia J. Müller, 2018, CHI Extended Abstracts.

User-friendly locations of error messages in web forms: Put them on the right side of the erroneous input field

Alexandre N. Tuch, Klaus Opwis, Mirjam Seckler, 2012, Interact. Comput..

Hedonic Enjoyment and Personal Expressiveness in Positive User Experiences

Klaus Opwis, Elisa D. Mekler, Livia J. Müller, 2016, CHI Extended Abstracts.

Choosing to Help Monsters: A Mixed-Method Examination of Meaningful Choices in Narrative-Rich Games and Interactive Narratives

Klaus Opwis, Glena Helen Iten, Sharon T. Steinemann, 2018, CHI.

Salient beliefs influencing the intention to consider Web Accessibility

Klaus Opwis, Elisa D. Mekler, Florian Brühlmann, 2019, Comput. Hum. Behav..

Modelle der Repräsentation von Wissen

Klaus Opwis, Gerd Lüer, 1996 .

Mentale Modelle dynamischer Systeme

Klaus Opwis, 1987 .

Simple but Crucial User Interfaces in the World Wide Web: Introducing 20 Guidelines for Usable Web Form Design

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2010 .

“An Odd Kind of Pleasure”: Differentiating Emotional Challenge in Digital Games

Klaus Opwis, Elisa D. Mekler, Julia Ayumi Bopp, 2018, CHI.

Location matters, especially for non-salient features-An eye-tracking study on the effects of web object placement on different types of websites

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2013, Int. J. Hum. Comput. Stud..

Mental models for web objects in different cultural settings

Alexandre N. Tuch, Silvia Heinz, Sebastian Linxen, 2014, CHI Extended Abstracts.

Error prevention in online forms: Use color instead of asterisks to mark required-fields

Klaus Opwis, Javier A. Bargas-Avila, Stefan L. Pauwels, 2009, Interact. Comput..

User Motivation Inventory

Klaus Opwis, Elisa D. Mekler, Florian Brühlmann, 2017 .

Problemlösen in der Physik: das kognitive Simulationsmodell Sepia

Klaus Opwis, Rolf Plötzner, 1995, Künstliche Intell..

Enhancing online forms: Use format specifications for fields with format restrictions to help respondents

Klaus Opwis, Javier A. Bargas-Avila, Sébastien Orsini, 2011, Interact. Comput..

The role of visual complexity and prototypicality regarding first impression of websites: Working towards understanding aesthetic judgments

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2012, Int. J. Hum. Comput. Stud..

Is beautiful really usable? Toward understanding the relation between usability, aesthetics, and affect in HCI

Alexandre N. Tuch, Kasper Hornbæk, Klaus Opwis, 2012, Comput. Hum. Behav..

A Good Reason to Die: How Avatar Death and High Challenges Enable Positive Experiences

Klaus Opwis, Elisa D. Mekler, Florian Brühlmann, 2017, CHI.

To Save or To Sacrifice?: Understanding Meaningful Choices in Games

Klaus Opwis, Glena Helen Iten, Sharon T. Steinemann, 2017, CHI PLAY.

Working towards Usable Forms on the World Wide Web: Optimizing Date Entry Input Fields

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2011, Adv. Hum. Comput. Interact..

Symmetry and aesthetics in website design: It's a man's business

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2010, Comput. Hum. Behav..

Mentale Modelle dynamischer Systeme: Analyse und Weiterführung methodischer Grundlagen von psychologischen Experimenten zum Umgang von Personen mit Systemen

Klaus Opwis, 1989 .

Visual complexity of websites: Effects on users' experience, physiology, performance, and memory

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2009, Int. J. Hum. Comput. Stud..

Aesthetics in Context - The Role of Aesthetics and Usage Mode for a Website's Success

Klaus Opwis, Glena Helen Iten, Antonin Troendle, 2018, Interact. Comput..

Increasing Donating Behavior Through a Game for Change: The Role of Interactivity and Appreciation

Klaus Opwis, Elisa D. Mekler, Sharon T. Steinemann, 2015, CHI PLAY.

Designing product listing pages - Effects on sales and users' cognitive workload

Klaus Opwis, Mirjam Seckler, Sandra P. Roth, 2010, Int. J. Hum. Comput. Stud..

Negative Emotion, Positive Experience?: Emotionally Moving Moments in Digital Games

Klaus Opwis, Elisa D. Mekler, Julia Ayumi Bopp, 2016, CHI.

The constructive process of knowledge acquisition : computational diagnosis and cognitive modeling

Hans Spada, Klaus Opwis, Michael Stumpf, 1989 .

The organization of interaction design pattern languages alongside the design process

Klaus Opwis, Javier A. Bargas-Avila, Sandra P. Roth, 2011, Interact. Comput..

ZeGo: Development and Validation of a Short Questionnaire to Measure User Satisfaction with e-Government Portals

Klaus Opwis, Javier A. Bargas-Avila, Sébastien Orsini, 2010, Adv. Hum. Comput. Interact..

A systematic review of quantitative studies on the enjoyment of digital entertainment games

Alexandre N. Tuch, Klaus Opwis, Elisa D. Mekler, 2014, CHI.

Measuring the “Why” of Interaction: Development and Validation of the User Motivation Inventory (UMI)

Klaus Opwis, Elisa D. Mekler, Florian Brühlmann, 2018, CHI.

A Case Study of User-Centred Design in Four Swiss RUP Projects

Klaus Opwis, Ljiljana Vukelja, Lothar Müller, 2010, Adv. Hum. Comput. Interact..

Empirical evaluation of 20 web form optimization guidelines

Alexandre N. Tuch, Silvia Heinz, Klaus Opwis, 2013, CHI Extended Abstracts.

Interactive Narratives Affecting Social Change: A Closer Look at the Relationship Between Interactivity and Prosocial Behavior

Lars Fraßeck, Klaus Opwis, Elisa D. Mekler, 2017, J. Media Psychol. Theor. Methods Appl..

Intranet satisfaction questionnaire: Development and validationof a questionnaire to measure user satisfaction with the Intranet

Klaus Opwis, Javier A. Bargas-Avila, Sébastien Orsini, 2009, Comput. Hum. Behav..

Ads suit up!: effects of website and advertiser credibility on consumer responses to banner ads

Klaus Opwis, Elisa D. Mekler, Markus Hug, 2013, CHI Extended Abstracts.

An Approach to Student Assessment and Course Evaluation

Hans Spada, Klaus Opwis, Rolf Plötzner, 1995 .

The impact of interactive visual simulations on learning statistics

Silvia Heinz, Klaus Opwis, Roland Hübscher, 2014, CHI Extended Abstracts.

Routine problem solving in groups

Klaus Opwis, Torsten Reimer, Anne-Louise Bornstein, 2002 .

The Winner Gives It All': Preliminary Results on The Role of Game Outcome on the Effectiveness of a Game for Change

Klaus Opwis, Elisa D. Mekler, Sharon T. Steinemann, 2016, CHI PLAY.

Tracking the subprocesses of decision-based action in the human frontal lobes

Klaus Opwis, Erich Seifritz, Christoph P. Kaller, 2006, NeuroImage.

Mental models for web objects: Where do users expect to find the most frequent objects in online shops, news portals, and company web pages?

Klaus Opwis, Javier A. Bargas-Avila, Sandra P. Roth, 2010, Interact. Comput..

"It's Like I Would Die as Well": Gratifications of Fearful Game Experience

Klaus Opwis, Elisa D. Mekler, Sarah I. Endress, 2016, CHI PLAY.

Informational vs. Controlling Gamification: A Study Design

Klaus Opwis, Elisa D. Mekler, Seamus F. Forde, 2015, CHI PLAY.

Perceived User Experience of Animated Transitions in Mobile User Interfaces

Alexandre N. Tuch, Klaus Opwis, Benedikt Merz, 2016, CHI Extended Abstracts.

Designing usable web forms: empirical evaluation of web form improvement guidelines

Alexandre N. Tuch, Silvia Heinz, Klaus Opwis, 2014, CHI.

"It Was Sad But Still Good": Gratifications of Emotionally Moving Game Experiences

Klaus Opwis, Elisa D. Mekler, Julia Ayumi Bopp, 2015, CHI Extended Abstracts.

Mitteilungen der Gesellschaft für Kognitionswissenschaft e.V.

Klaus Opwis, 2000, Kognitionswissenschaft.

Exploring Emotional Attachment to Game Characters

Klaus Opwis, Elisa D. Mekler, Livia J. Müller, 2019, CHI PLAY.

Trust and distrust on the web: User experiences and website characteristics

Alexandre N. Tuch, Silvia Heinz, Klaus Opwis, 2015, Comput. Hum. Behav..

A diary study exploring game completion and player experience

Alexandre N. Tuch, Klaus Opwis, Elisa D. Mekler, 2014, CHI PLAY.

Kognitive Psychologie mit dem Computer : ein Einführungskurs zur Simulation geistiger Leistungen mit Prolog

Klaus Opwis, Rolf Plötzner, 1996 .

Cinematographic techniques in architectural animations and their effects on viewers' judgment

Doris Agotai, Alexandre N. Tuch, Klaus Opwis, 2008 .

Towards understanding the effects of individual gamification elements on intrinsic motivation and performance

Alexandre N. Tuch, Klaus Opwis, Elisa D. Mekler, 2017, Comput. Hum. Behav..

Online ad banners: the effects of goal orientation and content congruence on memory

Silvia Heinz, Klaus Opwis, Markus Hug, 2013, CHI Extended Abstracts.

Informational, but not Intrinsically Motivating Gamification': Preliminary Findings

Klaus Opwis, Elisa D. Mekler, Seamus F. Forde, 2016, CHI PLAY.

Domain representation and student modelling in a microworld for elastic impacts

Hans Spada, Klaus Opwis, Michael Stumpf, 1989, Informatics and Psychology Workshop.

The Constructive Process of Knowledge Acquisition: Student Modeling (Invited Paper)

Hans Spada, Klaus Opwis, Michael Stumpf, 1989, ICCAL.

Disassembling gamification: the effects of points and meaning on user motivation and performance

Alexandre N. Tuch, Klaus Opwis, Elisa D. Mekler, 2013, CHI Extended Abstracts.

Does a prosocial decision in video games lead to increased prosocial real-life behavior? The impact of reward and reasoning

Klaus Opwis, Elisa D. Mekler, Glena Helen Iten, 2018, Comput. Hum. Behav..

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

Alexandre N. Tuch, Klaus Opwis, Mirjam Seckler, 2015, Comput. Hum. Behav..

Simple Acts for a Better World: A Gameful System for Prosocial Behavior: Preliminary Design and Research Plan

Klaus Opwis, Kristy de Salas, Sharon T. Steinemann, 2017, CHI PLAY.

Problem solving and learning : computer modeling

Hans Spada, Klaus Opwis, 1994 .

Cognitive Load in eCommerce Applications - Measurement and Effects on User Satisfaction

Silvia Heinz, Klaus Opwis, Peter Schmutz, 2009, Adv. Hum. Comput. Interact..

How to Use Plain and Easy-to-Read Language for a Positive User Experience on Websites

Klaus Opwis, Elisa D. Mekler, Florian Brühlmann, 2018, ICCHP.

Ecological knowledge: Acquisition and use in problem solving and in decision making

Hans Spada, Klaus Opwis, Jacques Donnen, 1987 .

Wissenspsychologie: Forschungsfragen, Anwendungsperspektiven, Bezüge zur Künstlichen Intelligenz

Hans Spada, Klaus Opwis, 1986, GWAI.

Detecting mental models for the location of common webpage elements

Klaus Opwis, Sandra P. Roth, Stefan L. Pauwels, 2008 .

Facets In HCI: Towards Understanding Eudaimonic UX -- Preliminary Findings

Klaus Opwis, Elisa D. Mekler, Livia J. Müller, 2015, CHI Extended Abstracts.

Methoden zur empirischen Analyse von Chunks beim Reproduzieren von Schachstellungen

Klaus Opwis, Andreas Gold, 1992 .

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

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2011, Comput. Hum. Behav..

Beyond web content accessibility guidelines: Design of enhanced text user interfaces for blind internet users

Klaus Opwis, Javier A. Bargas-Avila, Stefan Leuthold, 2008, Int. J. Hum. Comput. Stud..

Usable error message presentation in the World Wide Web: Do not show errors right away

Klaus Opwis, Javier A. Bargas-Avila, Peter Schmutz, 2007, Interact. Comput..

Building an interaction design pattern language: A case study

Klaus Opwis, Javier A. Bargas-Avila, Stefan L. Pauwels, 2010, Comput. Hum. Behav..

Working towards Usable Forms on the Worldwide Web: Optimizing Multiple Selection Interface Elements

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2011, Adv. Hum. Comput. Interact..

Consistency in the aesthetic perception of web pages and the importance of visual complexity : an empirical replication and extension

Alexandre N. Tuch, Klaus Opwis, Sandra P. Roth, 2008 .

The Role of Visual Complexity in Affective Reactions to Webpages: Subjective, Eye Movement, and Cardiovascular Responses

Alexandre N. Tuch, Klaus Opwis, Javier A. Bargas-Avila, 2011, IEEE Transactions on Affective Computing.

Understanding Fitness App Usage Over Time: Moving Beyond the Need for Competence

Klaus Opwis, Sharon T. Steinemann, Vanessa R. Lerch, 2018, CHI Extended Abstracts.

Effects of size and visibility of textareas on answer size in online surveys

Klaus Opwis, Javier A. Bargas-Avila, Peter Schmutz, 2008 .

How WEIRD is CHI?

Katharina Reinecke, Sebastian Linxen, Klaus Opwis, 2021, CHI.

Transparency in Measurement Reporting

Klaus Opwis, Florian Brühlmann, Lena Fanya Aeschbach, 2021, Proc. ACM Hum. Comput. Interact..

Effects of metacognitive thinking and knowledge acquisition in dyads on individual problem solving and transfer performance

Klaus Opwis, Torsten Reimer, Serge Brand, 2003 .

Simultaneous Application of Glucose Oxidases and Peroxidases in Bleaching Processes

Klaus Opwis, Eckhard Schollmeyer, Dierk Knittel, 2008 .

Preparation of a Textile-Based Dye-Sensitized Solar Cell

Klaus Opwis, Fanny Breuil, Jochen S. Gutmann, 2016 .

Structural and functional imaging approaches in attention deficit/hyperactivity disorder: Does the temporal lobe play a key role?

Klaus Scheffler, Klaus Opwis, Karsten Specht, 2010, Psychiatry Research: Neuroimaging.

Anxiety trait modulates psychophysiological reactions, but not habituation processes related to affective auditory stimuli.

Klaus Opwis, Erich Seifritz, E. Seifritz, 2006, International journal of psychophysiology : official journal of the International Organization of Psychophysiology.

Organotextile Catalysis

Klaus Opwis, Ji-Woong Lee, Choong Eui Song, 2013, Science.

Eye-tracking the cancellation and focus model for preference judgments

Klaus Opwis, Thomas A. Brunner, Bernadette Sütterlin, 2008 .

Learning qualitative and quantitative reasoning in a microworld for elastic impacts

Hans Spada, Klaus Opwis, Rolf Ploetzner, 1990 .

Search or browse : how do people behave while navigating on E-commerce web sites?

Klaus Opwis, Javier A. Bargas-Avila, Peter Schmutz, 2005 .

THE WReSt HEURISTIC : THE ROLE OF RECALL AS WELL AS FEATURE-IMPORTANCE IN AND BEYOND THE CANCELLATION AND FOCUS MODEL

Klaus Opwis, Thomas A. Brunner, T. Brunner, 2008 .

Working memory training in patients with multiple sclerosis - comparison of two different training schedules.

Ludwig Kappos, Klaus Opwis, Pasquale Calabrese, 2009, Restorative neurology and neuroscience.

On the interplay between heuristic and systematic processes in persuasion

Klaus Opwis, Konstantinos V. Katsikopoulos, Torsten Reimer, 2005 .

Color Similarity in Visual Search

Klaus Opwis, Dieter Wallach, Ester Reijnen, 2007 .

Circadian sleep-wake cycles, well-being, and light therapy in borderline personality disorder.

Klaus Opwis, Anna Wirz-Justice, Christian Cajochen, 2013, Journal of personality disorders.