Publikationen

• Obremski, D., Friedrich, P., Haak, N., Schaper, P., Lugrin, B.: The impact of mixed-cultural speech on the stereotypical perception of a virtual robot. Frontiers in Robotics and AI. 9, (2022).
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  @article{Obremski_2022, author = {Obremski, David and Friedrich, Paula and Haak, Nora and Schaper, Philipp and Lugrin, Birgit}, journal = {Frontiers in Robotics and AI}, keywords = {accent}, month = {nov}, publisher = {Frontiers Media SA}, title = {The impact of mixed-cultural speech on the stereotypical perception of a virtual robot}, volume = 9, year = 2022 }

  %0 Journal Article %1 Obremski_2022 %A Obremski, David %A Friedrich, Paula %A Haak, Nora %A Schaper, Philipp %A Lugrin, Birgit %D 2022 %I Frontiers Media SA %J Frontiers in Robotics and AI %R 10.3389/frobt.2022.983955 %T The impact of mixed-cultural speech on the stereotypical perception of a virtual robot %U https://doi.org/10.3389%2Ffrobt.2022.983955 %V 9
• Riedmann, A., Schaper, P., Jakob, B., Lugrin, B.: A Theory Based Adaptive Pedagogical Agent in a Reading App for Primary Students - A User Study. In: Crossley, S. and Popescu, E. (eds.) Intelligent Tutoring Systems. ITS 2022. Lecture Notes in Computer Science. Springer (2022).
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  @inproceedings{riedmann2022theory, author = {Riedmann, Anna and Schaper, Philipp and Jakob, Benedikt and Lugrin, Birgit}, booktitle = {Intelligent Tutoring Systems. ITS 2022. Lecture Notes in Computer Science}, editor = {Crossley, S. and Popescu, E.}, keywords = {mi}, publisher = {Springer}, title = {A Theory Based Adaptive Pedagogical Agent in a Reading App for Primary Students - A User Study}, volume = 13284, year = 2022 }

  %0 Conference Paper %1 riedmann2022theory %A Riedmann, Anna %A Schaper, Philipp %A Jakob, Benedikt %A Lugrin, Birgit %B Intelligent Tutoring Systems. ITS 2022. Lecture Notes in Computer Science %D 2022 %E Crossley, S. %E Popescu, E. %I Springer %R 10.1007/978-3-031-09680-8_26 %T A Theory Based Adaptive Pedagogical Agent in a Reading App for Primary Students - A User Study %V 13284
• Donnermann, M., Schaper, P., Lugrin, B.: Social Robots in Applied Settings: A Long-Term Study on Adaptive Robotic Tutors in Higher Education. Frontiers in Robotics and AI. 9, (2022).
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  @article{Donnermann_2022, author = {Donnermann, Melissa and Schaper, Philipp and Lugrin, Birgit}, journal = {Frontiers in Robotics and AI}, keywords = {mi}, publisher = {Frontiers Media SA}, title = {Social Robots in Applied Settings: A Long-Term Study on Adaptive Robotic Tutors in Higher Education}, volume = 9, year = 2022 }

  %0 Journal Article %1 Donnermann_2022 %A Donnermann, Melissa %A Schaper, Philipp %A Lugrin, Birgit %D 2022 %I Frontiers Media SA %J Frontiers in Robotics and AI %R 10.3389/frobt.2022.831633 %T Social Robots in Applied Settings: A Long-Term Study on Adaptive Robotic Tutors in Higher Education %U https://doi.org/10.3389%2Ffrobt.2022.831633 %V 9
• Schaper, P., Riedmann, A., Semineth, M., Lugrin, B.: Addressing Motivation in an E-Learning Scenario by applying Narration and Choice. Proceedings of the 35th British Human-Computer Interaction Conference (BCS HCI 22) (2022).
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  @inproceedings{schaper2022addressing, author = {Schaper, Philipp and Riedmann, Anna and Semineth, Miriam and Lugrin, Birgit}, booktitle = {Proceedings of the 35th British Human-Computer Interaction Conference (BCS HCI 22)}, keywords = {mi}, title = {Addressing Motivation in an E-Learning Scenario by applying Narration and Choice}, year = 2022 }

  %0 Conference Paper %1 schaper2022addressing %A Schaper, Philipp %A Riedmann, Anna %A Semineth, Miriam %A Lugrin, Birgit %B Proceedings of the 35th British Human-Computer Interaction Conference (BCS HCI 22) %D 2022 %T Addressing Motivation in an E-Learning Scenario by applying Narration and Choice
• Riedmann, A., Schaper, P., Lugrin, B.: Integration of a social robot and gamification in adult learning and effects on motivation, engagement and performance. AI & Society. (2022).
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  @article{Riedmann_2022, author = {Riedmann, Anna and Schaper, Philipp and Lugrin, Birgit}, journal = {AI & Society}, keywords = {mi}, publisher = {Springer}, title = {Integration of a social robot and gamification in adult learning and effects on motivation, engagement and performance}, year = 2022 }

  %0 Journal Article %1 Riedmann_2022 %A Riedmann, Anna %A Schaper, Philipp %A Lugrin, Birgit %D 2022 %I Springer %J AI & Society %R 10.1007/s00146-022-01514-y %T Integration of a social robot and gamification in adult learning and effects on motivation, engagement and performance
• Ganal, E., Heimbrock, M., Schaper, P., Lugrin, B.: Don’t Touch This! - Investigating the Potential of Visualizing Touched Surfaces on the Consideration of Behavior Change. In: Baghaei, N., Vassileva, J., Ali, R., and Oyibo, K. (eds.) Persuasive Technology 2022. Springer International Publishing (2022).
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  @inproceedings{ganal2022touch, author = {Ganal, E. and Heimbrock, M. and Schaper, P. and Lugrin, B.}, booktitle = {Persuasive Technology 2022}, editor = {Baghaei, N. and Vassileva, J. and Ali, R. and Oyibo, K.}, keywords = {reflectedreality}, publisher = {Springer International Publishing}, title = {Don’t Touch This! - Investigating the Potential of Visualizing Touched Surfaces on the Consideration of Behavior Change}, year = 2022 }

  %0 Conference Paper %1 ganal2022touch %A Ganal, E. %A Heimbrock, M. %A Schaper, P. %A Lugrin, B. %B Persuasive Technology 2022 %D 2022 %E Baghaei, N. %E Vassileva, J. %E Ali, R. %E Oyibo, K. %I Springer International Publishing %T Don’t Touch This! - Investigating the Potential of Visualizing Touched Surfaces on the Consideration of Behavior Change
• Riedmann, A., Schaper, P., Donnermann, M., Lein, M., Steinhaeusser, S.C., Karageorgos, P., Müller, B., Richter, T., Lugrin, B.: Iteratively Digitizing an Analogue Syllable-Based Reading Intervention. Interacting with Computers. (2022).
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  @article{2022, author = {Riedmann, Anna and Schaper, Philipp and Donnermann, Melissa and Lein, Martina and Steinhaeusser, Sophia C. and Karageorgos, Panagiotis and Müller, Bettina and Richter, Tobias and Lugrin, Birgit}, journal = {Interacting with Computers}, keywords = {lein}, publisher = {Oxford University Press}, title = {Iteratively Digitizing an Analogue Syllable-Based Reading Intervention}, year = 2022 }

  %0 Journal Article %1 2022 %A Riedmann, Anna %A Schaper, Philipp %A Donnermann, Melissa %A Lein, Martina %A Steinhaeusser, Sophia C. %A Karageorgos, Panagiotis %A Müller, Bettina %A Richter, Tobias %A Lugrin, Birgit %D 2022 %I Oxford University Press %J Interacting with Computers %R 10.1093/iwc/iwac005 %T Iteratively Digitizing an Analogue Syllable-Based Reading Intervention
• Heß, J., Karageorgos, P., Richter, T., Müller, B., Riedmann, A., Schaper, P., Lugrin, B.: Digitale Leseförderung: Effekte eines silbenbasierten digitalen Lesetrainings in Klasse 2. Vortrag auf dem 52. Kongress der Deutschen Gesellschaft für Psychologie (DGPs) (2022).
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  @conference{hess2022digitale, author = {Heß, J. and Karageorgos, P. and Richter, T. and Müller, B. and Riedmann, A. and Schaper, P. and Lugrin, B.}, booktitle = {Vortrag auf dem 52. Kongress der Deutschen Gesellschaft für Psychologie (DGPs)}, keywords = {mi}, title = {Digitale Leseförderung: Effekte eines silbenbasierten digitalen Lesetrainings in Klasse 2}, year = 2022 }

  %0 Generic %1 hess2022digitale %A Heß, J. %A Karageorgos, P. %A Richter, T. %A Müller, B. %A Riedmann, A. %A Schaper, P. %A Lugrin, B. %B Vortrag auf dem 52. Kongress der Deutschen Gesellschaft für Psychologie (DGPs) %D 2022 %T Digitale Leseförderung: Effekte eines silbenbasierten digitalen Lesetrainings in Klasse 2
• Donnermann, M., Schaper, P., Lugrin, B.: Investigating Adaptive Robot Tutoring in a Long-Term Interaction in Higher Education. 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2022). pp. 171–178. IEEE (2022).
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  @inproceedings{donnermann2022investigating, author = {Donnermann, Melissa and Schaper, Philipp and Lugrin, Birgit}, booktitle = {31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2022)}, keywords = {mi}, organization = {IEEE}, pages = {171-178}, title = {Investigating Adaptive Robot Tutoring in a Long-Term Interaction in Higher Education}, year = 2022 }

  %0 Conference Paper %1 donnermann2022investigating %A Donnermann, Melissa %A Schaper, Philipp %A Lugrin, Birgit %B 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2022) %D 2022 %P 171-178 %T Investigating Adaptive Robot Tutoring in a Long-Term Interaction in Higher Education
• Steinhaeusser, S.C., Riedmann, A., Schaper, P., Guthmann, E., Pfister, J., Schmitt, K., Wild, T., Lugrin, B.: Second Language Learning through Storytelling with a Social Robot-An Online Case Study. 2022 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN). pp. 67–74. IEEE (2022).
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  @inproceedings{steinhaeusser2022second, author = {Steinhaeusser, Sophia C. and Riedmann, Anna and Schaper, Philipp and Guthmann, Emily and Pfister, Julia and Schmitt, Katharina and Wild, Theresa and Lugrin, Birgit}, booktitle = {2022 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN)}, keywords = {steinhaeusser}, organization = {IEEE}, pages = {67-74}, title = {Second Language Learning through Storytelling with a Social Robot-An Online Case Study}, year = 2022 }

  %0 Conference Paper %1 steinhaeusser2022second %A Steinhaeusser, Sophia C. %A Riedmann, Anna %A Schaper, Philipp %A Guthmann, Emily %A Pfister, Julia %A Schmitt, Katharina %A Wild, Theresa %A Lugrin, Birgit %B 2022 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN) %D 2022 %P 67-74 %T Second Language Learning through Storytelling with a Social Robot-An Online Case Study
• Schaper, P., Riedmann, A., Oberdörfer, S., Lugrin, B.: Addressing Waste Separation With a Persuasive Augmented Reality App. Proceedings of the 24th International Conference on Mobile Human-Computer Interaction (MobileHCI ’22). Association for Computing Machinery, New York, NY, USA (2022).
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  @inproceedings{schaper2022addressing, address = {New York, NY, USA}, author = {Schaper, Philipp and Riedmann, Anna and Oberdörfer, Sebastian and Lugrin, Birgit}, booktitle = {Proceedings of the 24th International Conference on Mobile Human-Computer Interaction (MobileHCI '22)}, keywords = {mi}, publisher = {Association for Computing Machinery}, title = {Addressing Waste Separation With a Persuasive Augmented Reality App}, year = 2022 }

  %0 Conference Paper %1 schaper2022addressing %A Schaper, Philipp %A Riedmann, Anna %A Oberdörfer, Sebastian %A Lugrin, Birgit %B Proceedings of the 24th International Conference on Mobile Human-Computer Interaction (MobileHCI '22) %C New York, NY, USA %D 2022 %I Association for Computing Machinery %R 10.1145/3546740 %T Addressing Waste Separation With a Persuasive Augmented Reality App

• Heß, J., Karageorgos, P., Richter, T., Müller, B., Riedmann, A., Schaper, P., Lugrin, B.: Digitale Leseförderung: Konzeption und Evaluation der "Mobilen Leseförderung". Round Table-Session präsentiert auf der Online-Tagung der Fachgruppe Pädagogische Psychologie der Deutschen Gesellschaft für Psychologie (DGPs) (2021).
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  @conference{hess2021digitale, author = {Heß, J. and Karageorgos, P. and Richter, T. and Müller, B. and Riedmann, A. and Schaper, P. and Lugrin, B.}, booktitle = {Round Table-Session präsentiert auf der Online-Tagung der Fachgruppe Pädagogische Psychologie der Deutschen Gesellschaft für Psychologie (DGPs)}, keywords = {mi}, title = {Digitale Leseförderung: Konzeption und Evaluation der "Mobilen Leseförderung"}, year = 2021 }

  %0 Generic %1 hess2021digitale %A Heß, J. %A Karageorgos, P. %A Richter, T. %A Müller, B. %A Riedmann, A. %A Schaper, P. %A Lugrin, B. %B Round Table-Session präsentiert auf der Online-Tagung der Fachgruppe Pädagogische Psychologie der Deutschen Gesellschaft für Psychologie (DGPs) %D 2021 %T Digitale Leseförderung: Konzeption und Evaluation der "Mobilen Leseförderung"
• Schaper, P., Donnermann, M., Doser, N., Lein, M., Riedmann, A., Steinhaeusser, S.C., Karageorgos, P., Müller, B., Richter, T., Lugrin, B.: Towards a digital syllable-based reading intervention: An interview study with second-graders. British HCI Conference 2021 (BCS-HCI 2021) (2021).
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  @inproceedings{schaper2021towards, author = {Schaper, Philipp and Donnermann, Melissa and Doser, Nicole and Lein, Martina and Riedmann, Anna and Steinhaeusser, Sophia C. and Karageorgos, Panagiotis and Müller, Bettina and Richter, Tobias and Lugrin, Birgit}, booktitle = {British HCI Conference 2021 (BCS-HCI 2021)}, keywords = {lein}, title = {Towards a digital syllable-based reading intervention: An interview study with second-graders}, year = 2021 }

  %0 Conference Paper %1 schaper2021towards %A Schaper, Philipp %A Donnermann, Melissa %A Doser, Nicole %A Lein, Martina %A Riedmann, Anna %A Steinhaeusser, Sophia C. %A Karageorgos, Panagiotis %A Müller, Bettina %A Richter, Tobias %A Lugrin, Birgit %B British HCI Conference 2021 (BCS-HCI 2021) %D 2021 %T Towards a digital syllable-based reading intervention: An interview study with second-graders
• Schaper, P., Riedmann, A., Lugrin, B.: Internalisation of Situational Motivation in an E-Learning Scenario Using Gamification. International Conference on Artificial Intelligence in Education (AIED 2021). pp. 314–319. Springer (2021).
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  @inproceedings{schaper2021internalisation, author = {Schaper, Philipp and Riedmann, Anna and Lugrin, Birgit}, booktitle = {International Conference on Artificial Intelligence in Education (AIED 2021)}, keywords = {mi}, organization = {Springer}, pages = {314-319}, title = {Internalisation of Situational Motivation in an E-Learning Scenario Using Gamification}, year = 2021 }

  %0 Conference Paper %1 schaper2021internalisation %A Schaper, Philipp %A Riedmann, Anna %A Lugrin, Birgit %B International Conference on Artificial Intelligence in Education (AIED 2021) %D 2021 %P 314-319 %T Internalisation of Situational Motivation in an E-Learning Scenario Using Gamification
• Donnermann, M., Lein, M., Messingschlager, T., Riedmann, A., Schaper, P., Steinhaeusser, S., Lugrin, B.: Social robots and gamification for technology supported learning: An empirical study on engagement and motivation. Computers in Human Behavior. 121, 106792 (2021).
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  @article{Donnermann_2021, author = {Donnermann, Melissa and Lein, Martina and Messingschlager, Tanja and Riedmann, Anna and Schaper, Philipp and Steinhaeusser, Sophia and Lugrin, Birgit}, journal = {Computers in Human Behavior}, keywords = {lein}, month = {aug}, pages = 106792, publisher = {Elsevier}, title = {Social robots and gamification for technology supported learning: An empirical study on engagement and motivation}, volume = 121, year = 2021 }

  %0 Journal Article %1 Donnermann_2021 %A Donnermann, Melissa %A Lein, Martina %A Messingschlager, Tanja %A Riedmann, Anna %A Schaper, Philipp %A Steinhaeusser, Sophia %A Lugrin, Birgit %D 2021 %I Elsevier %J Computers in Human Behavior %P 106792 %R 10.1016/j.chb.2021.106792 %T Social robots and gamification for technology supported learning: An empirical study on engagement and motivation %V 121
• Steinhaeusser, S.C., Schaper, P., Akuffo, O.B., Friedrich, P., Ön, J., Lugrin, B.: Anthropomorphize me! - Effects of Robot Gender on Listeners’ Perception of the Social Robot NAO in a Storytelling Use Case. In: Bethel, C., Paiva, A., Broadbent, E., Feil-Seifer, D., and Szafir, D. (eds.) Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction (HRI 2021). ACM (2021).
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  @inproceedings{Steinhaeusser_2021, author = {Steinhaeusser, Sophia C. and Schaper, Philipp and Akuffo, Ohenewa Bediako and Friedrich, Paula and Ön, Jülide and Lugrin, Birgit}, booktitle = {Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction (HRI 2021)}, editor = {Bethel, Cindy and Paiva, Ana and Broadbent, Elizabeth and Feil-Seifer, David and Szafir, Daniel}, keywords = {steinhaeusser}, publisher = {ACM}, title = {Anthropomorphize me! - Effects of Robot Gender on Listeners' Perception of the Social Robot NAO in a Storytelling Use Case}, year = 2021 }

  %0 Conference Paper %1 Steinhaeusser_2021 %A Steinhaeusser, Sophia C. %A Schaper, Philipp %A Akuffo, Ohenewa Bediako %A Friedrich, Paula %A Ön, Jülide %A Lugrin, Birgit %B Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction (HRI 2021) %D 2021 %E Bethel, Cindy %E Paiva, Ana %E Broadbent, Elizabeth %E Feil-Seifer, David %E Szafir, Daniel %I ACM %R 10.1145/3434074.3447228 %T Anthropomorphize me! - Effects of Robot Gender on Listeners' Perception of the Social Robot NAO in a Storytelling Use Case %U https://doi.org/10.1145%2F3434074.3447228
• Steinhaeusser, S.C., Schaper, P., Lugrin, B.: Comparing a Robotic Storyteller versus Audio Book with Integration of Sound Effects and Background Music. In: Bethel, C., Paiva, A., Broadbent, E., Feil-Seifer, D., and Szafir, D. (eds.) Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction (HRI 2021). ACM (2021).
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  @inproceedings{Steinhaeusser_2021, author = {Steinhaeusser, Sophia C. and Schaper, Philipp and Lugrin, Birgit}, booktitle = {Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction (HRI 2021)}, editor = {Bethel, Cindy and Paiva, Ana and Broadbent, Elizabeth and Feil-Seifer, David and Szafir, Daniel}, keywords = {steinhaeusser}, publisher = {ACM}, title = {Comparing a Robotic Storyteller versus Audio Book with Integration of Sound Effects and Background Music}, year = 2021 }

  %0 Conference Paper %1 Steinhaeusser_2021 %A Steinhaeusser, Sophia C. %A Schaper, Philipp %A Lugrin, Birgit %B Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction (HRI 2021) %D 2021 %E Bethel, Cindy %E Paiva, Ana %E Broadbent, Elizabeth %E Feil-Seifer, David %E Szafir, Daniel %I ACM %R 10.1145/3434074.3447186 %T Comparing a Robotic Storyteller versus Audio Book with Integration of Sound Effects and Background Music %U https://doi.org/10.1145%2F3434074.3447186
• Donnermann, M., Schaper, P., Lugrin, B.: Towards Adaptive Robotic Tutors in Universities: A Field Study. International Conference on Persuasive Technology (PERSUASIVE 2021). Springer (2021).
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  @inproceedings{donnermann2021towards, author = {Donnermann, Melissa and Schaper, Philipp and Lugrin, Birgit}, booktitle = {International Conference on Persuasive Technology (PERSUASIVE 2021)}, keywords = {mi}, publisher = {Springer}, title = {Towards Adaptive Robotic Tutors in Universities: A Field Study}, year = 2021 }

  %0 Conference Paper %1 donnermann2021towards %A Donnermann, Melissa %A Schaper, Philipp %A Lugrin, Birgit %B International Conference on Persuasive Technology (PERSUASIVE 2021) %D 2021 %I Springer %T Towards Adaptive Robotic Tutors in Universities: A Field Study
• Obremski, D., Lugrin, J.-L., Schaper, P., Lugrin, B.: Non-native speaker perception of Intelligent Virtual Agents in two languages: the impact of amount and type of grammatical mistakes. Journal on Multimodal User Interfaces. (2021).
  • [ Abstract ]
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  Having a mixed-cultural membership becomes increasingly common in our modern society. It is thus beneficial in several ways to create Intelligent Virtual Agents (IVAs) that reflect a mixed-cultural background as well, e.g., for educational settings. For research with such IVAs, it is essential that they are classified as non-native by members of a target culture. In this paper, we focus on variations of IVAs' speech to create the impression of non-native speakers that are identified as such by speakers of two different mother tongues. In particular, we investigate grammatical mistakes and identify thresholds beyond which the agents is clearly categorised as a non-native speaker. Therefore, we conducted two experiments: one for native speakers of German, and one for native speakers of English. Results of the German study indicate that beyond 10{\%} of word order mistakes and 25{\%} of infinitive mistakes German-speaking IVAs are perceived as non-native speakers. Results of the English study indicate that beyond 50{\%} of omission mistakes and 50{\%} of infinitive mistakes English-speaking IVAs are perceived as non-native speakers. We believe these thresholds constitute helpful guidelines for computational approaches of non-native speaker generation, simplifying research with IVAs in mixed-cultural settings.

  @article{Obremski2021, abstract = {Having a mixed-cultural membership becomes increasingly common in our modern society. It is thus beneficial in several ways to create Intelligent Virtual Agents (IVAs) that reflect a mixed-cultural background as well, e.g., for educational settings. For research with such IVAs, it is essential that they are classified as non-native by members of a target culture. In this paper, we focus on variations of IVAs' speech to create the impression of non-native speakers that are identified as such by speakers of two different mother tongues. In particular, we investigate grammatical mistakes and identify thresholds beyond which the agents is clearly categorised as a non-native speaker. Therefore, we conducted two experiments: one for native speakers of German, and one for native speakers of English. Results of the German study indicate that beyond 10{\%} of word order mistakes and 25{\%} of infinitive mistakes German-speaking IVAs are perceived as non-native speakers. Results of the English study indicate that beyond 50{\%} of omission mistakes and 50{\%} of infinitive mistakes English-speaking IVAs are perceived as non-native speakers. We believe these thresholds constitute helpful guidelines for computational approaches of non-native speaker generation, simplifying research with IVAs in mixed-cultural settings.}, author = {Obremski, David and Lugrin, Jean-Luc and Schaper, Philipp and Lugrin, Birgit}, journal = {Journal on Multimodal User Interfaces}, keywords = {mi}, title = {Non-native speaker perception of Intelligent Virtual Agents in two languages: the impact of amount and type of grammatical mistakes}, year = 2021 }

  %0 Journal Article %1 Obremski2021 %A Obremski, David %A Lugrin, Jean-Luc %A Schaper, Philipp %A Lugrin, Birgit %D 2021 %J Journal on Multimodal User Interfaces %R 10.1007/s12193-021-00369-9 %T Non-native speaker perception of Intelligent Virtual Agents in two languages: the impact of amount and type of grammatical mistakes %U https://doi.org/10.1007/s12193-021-00369-9 %X Having a mixed-cultural membership becomes increasingly common in our modern society. It is thus beneficial in several ways to create Intelligent Virtual Agents (IVAs) that reflect a mixed-cultural background as well, e.g., for educational settings. For research with such IVAs, it is essential that they are classified as non-native by members of a target culture. In this paper, we focus on variations of IVAs' speech to create the impression of non-native speakers that are identified as such by speakers of two different mother tongues. In particular, we investigate grammatical mistakes and identify thresholds beyond which the agents is clearly categorised as a non-native speaker. Therefore, we conducted two experiments: one for native speakers of German, and one for native speakers of English. Results of the German study indicate that beyond 10{\%} of word order mistakes and 25{\%} of infinitive mistakes German-speaking IVAs are perceived as non-native speakers. Results of the English study indicate that beyond 50{\%} of omission mistakes and 50{\%} of infinitive mistakes English-speaking IVAs are perceived as non-native speakers. We believe these thresholds constitute helpful guidelines for computational approaches of non-native speaker generation, simplifying research with IVAs in mixed-cultural settings.

• Donnermann, M., Schaper, P., Lugrin, B.: Integrating a Social Robot in Higher Education – A Field Study. 29th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2020). pp. 573–579 (2020).
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  @inproceedings{donnermann2020integrating, author = {Donnermann, Melissa and Schaper, Philipp and Lugrin, Birgit}, booktitle = {29th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2020)}, keywords = {MI}, pages = {573-579}, title = {Integrating a Social Robot in Higher Education – A Field Study}, year = 2020 }

  %0 Conference Paper %1 donnermann2020integrating %A Donnermann, Melissa %A Schaper, Philipp %A Lugrin, Birgit %B 29th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2020) %D 2020 %P 573-579 %T Integrating a Social Robot in Higher Education – A Field Study

• Löffler, D., Tscharn, R., Schaper, P., Hollenbach, M., Mocke, V.: Tight Times: Semantics and Distractibility of Pneumatic Compression Feedback for Wearable Devices. Proceedings of Mensch und Computer 2019. ACM (2019).
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  @inproceedings{Löffler_2019, author = {Löffler, Diana and Tscharn, Robert and Schaper, Philipp and Hollenbach, Melissa and Mocke, Viola}, booktitle = {Proceedings of Mensch und Computer 2019}, keywords = {myown}, publisher = {ACM}, title = {Tight Times: Semantics and Distractibility of Pneumatic Compression Feedback for Wearable Devices}, year = 2019 }

  %0 Conference Paper %1 Löffler_2019 %A Löffler, Diana %A Tscharn, Robert %A Schaper, Philipp %A Hollenbach, Melissa %A Mocke, Viola %B Proceedings of Mensch und Computer 2019 %D 2019 %I ACM %R 10.1145/3340764.3340796 %T Tight Times: Semantics and Distractibility of Pneumatic Compression Feedback for Wearable Devices
• Lugrin, J.-L., Juchno, A., Schaper, P., Landeck, M., Latoschik, M.E.: Drone-Steering: A Novel VR Traveling Technique. In: of the 25th ACM Conference on Virtual Reality Software, P. and Technology (eds.) Proceedings of the 25th ACM Conference on Virtual Reality Software and Technology (2019).
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  @inproceedings{lugrin2019dronesteering, author = {Lugrin, Jean-Luc and Juchno, Andreas and Schaper, Philipp and Landeck, Maximilian and Latoschik, Marc Erich}, booktitle = {Proceedings of the 25th ACM Conference on Virtual Reality Software and Technology}, editor = {of the 25th ACM Conference on Virtual Reality Software, Proceedings and Technology}, keywords = {vrst19}, title = {Drone-Steering: A Novel VR Traveling Technique}, volume = {VRST'19}, year = 2019 }

  %0 Conference Paper %1 lugrin2019dronesteering %A Lugrin, Jean-Luc %A Juchno, Andreas %A Schaper, Philipp %A Landeck, Maximilian %A Latoschik, Marc Erich %B Proceedings of the 25th ACM Conference on Virtual Reality Software and Technology %D 2019 %E of the 25th ACM Conference on Virtual Reality Software, Proceedings %E Technology, %T Drone-Steering: A Novel VR Traveling Technique %U http://downloads.hci.informatik.uni-wuerzburg.de/2019-vrst-drone-steering-preprint.pdf %V VRST'19
• Schaper, P., Grundgeiger, T.: Commission Errors with Forced Response Lag. Quarterly Journal of Experimental Psychology. 72, 2380–2392 (2019).
  • [ BibTeX ]
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  @article{schaper2019commission, author = {Schaper, Philipp and Grundgeiger, Tobias}, journal = {Quarterly Journal of Experimental Psychology}, keywords = {myown}, number = 10, pages = {2380-2392}, title = {Commission Errors with Forced Response Lag}, volume = 72, year = 2019 }

  %0 Journal Article %1 schaper2019commission %A Schaper, Philipp %A Grundgeiger, Tobias %D 2019 %J Quarterly Journal of Experimental Psychology %N 10 %P 2380-2392 %R 10.1177/1747021819840583 %T Commission Errors with Forced Response Lag %V 72
• Obremski, D., Lugrin, J.-L., Schaper, P., Lugrin, B.: Non-Native Speaker Generation and Perception for Mixed-Cultural Settings. ACM International Conference on Intelligent Virtual Agents 2019. (2019).
  • [ Abstract ]
  • [ BibTeX ]
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  This paper presents an experiment evaluating the effects of virtual agents' language proficiency on whether they are perceived as a native speakers or not. Our first results indicate that beyond 10% word order mistakes and 25% infinitive mistakes, virtual agents are perceived as non-native speakers, even though their appearance and non-verbal behaviour were not altered. We believe these thresholds constitute interesting guidelines possibly simplifying the design of non-native speaker simulations.

  @article{obremski2019nonnative, abstract = {This paper presents an experiment evaluating the effects of virtual agents' language proficiency on whether they are perceived as a native speakers or not. Our first results indicate that beyond 10% word order mistakes and 25% infinitive mistakes, virtual agents are perceived as non-native speakers, even though their appearance and non-verbal behaviour were not altered. We believe these thresholds constitute interesting guidelines possibly simplifying the design of non-native speaker simulations.}, author = {Obremski, David and Lugrin, Jean-Luc and Schaper, Philipp and Lugrin, Birgit}, journal = {ACM International Conference on Intelligent Virtual Agents 2019}, keywords = {mi}, publisher = {ACM}, title = {Non-Native Speaker Generation and Perception for Mixed-Cultural Settings}, year = 2019 }

  %0 Journal Article %1 obremski2019nonnative %A Obremski, David %A Lugrin, Jean-Luc %A Schaper, Philipp %A Lugrin, Birgit %D 2019 %I ACM %J ACM International Conference on Intelligent Virtual Agents 2019 %R https://doi.org/10.1145/3308532.3329427 %T Non-Native Speaker Generation and Perception for Mixed-Cultural Settings %X This paper presents an experiment evaluating the effects of virtual agents' language proficiency on whether they are perceived as a native speakers or not. Our first results indicate that beyond 10% word order mistakes and 25% infinitive mistakes, virtual agents are perceived as non-native speakers, even though their appearance and non-verbal behaviour were not altered. We believe these thresholds constitute interesting guidelines possibly simplifying the design of non-native speaker simulations. %@ 978-1-4503-6672-4/19/07

• Horst-Schaper, G., Schaper, P.: [POSTER] Verletzungen mit infektiösem Material Ein Überblick über die Unfallmeldungen bei einem Maximalversorger in den Jahren 2001 bis 2017. 32. Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst (2018).
  • [ BibTeX ]
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  @proceedings{horstschaper2018verletzungen, author = {Horst-Schaper, Gesa and Schaper, Philipp}, keywords = {myown}, publisher = {32. Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst}, title = {[POSTER] Verletzungen mit infektiösem Material Ein Überblick über die Unfallmeldungen bei einem Maximalversorger in den Jahren 2001 bis 2017}, volume = {32. Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst}, year = 2018 }

  %0 Conference Proceedings %1 horstschaper2018verletzungen %A Horst-Schaper, Gesa %A Schaper, Philipp %D 2018 %I 32. Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst %T [POSTER] Verletzungen mit infektiösem Material Ein Überblick über die Unfallmeldungen bei einem Maximalversorger in den Jahren 2001 bis 2017 %V 32. Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst
• Schaper, P., Grundgeiger, T.: Commission Errors – Determined to do the wrong thing?. 5th International Conference on Prospective Memory (2018).
  • [ BibTeX ]
  • [ EndNote ]
  @proceedings{schaper2018commission, author = {Schaper, Philipp and Grundgeiger, Tobias}, keywords = {myown}, publisher = {5th International Conference on Prospective Memory}, title = {Commission Errors – Determined to do the wrong thing?}, volume = {5th International Conference on Prospective Memory}, year = 2018 }

  %0 Conference Proceedings %1 schaper2018commission %A Schaper, Philipp %A Grundgeiger, Tobias %D 2018 %I 5th International Conference on Prospective Memory %T Commission Errors – Determined to do the wrong thing? %V 5th International Conference on Prospective Memory

• Schaper, P., Grundgeiger, T.: The effect of different distractions on remembering delayed intentions. Memory. 26, 154–170 (2017).
  • [ BibTeX ]
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  @article{schaper2017effect, author = {Schaper, Philipp and Grundgeiger, Tobias}, journal = {Memory}, keywords = {myown}, number = 2, pages = {154-170}, title = {The effect of different distractions on remembering delayed intentions}, volume = 26, year = 2017 }

  %0 Journal Article %1 schaper2017effect %A Schaper, Philipp %A Grundgeiger, Tobias %D 2017 %J Memory %N 2 %P 154-170 %R 10.1080/09658211.2017.1339090 %T The effect of different distractions on remembering delayed intentions %U /brokenurl# https://doi.org/10.1080/09658211.2017.1339090 %V 26
• Schaper, P., Grundgeiger, T.: Commission errors in delay-execute prospective memory tasks. Quarterly Journal of Experimental Psychology. 70, 1423–1438 (2017).
  • [ BibTeX ]
  • [ EndNote ]
  • [ URL ]
  @article{Schaper_2017, author = {Schaper, Philipp and Grundgeiger, Tobias}, journal = {Quarterly Journal of Experimental Psychology}, keywords = {myown}, month = {aug}, number = 8, pages = {1423--1438}, publisher = {{SAGE} Publications}, title = {Commission errors in delay-execute prospective memory tasks}, volume = 70, year = 2017 }

  %0 Journal Article %1 Schaper_2017 %A Schaper, Philipp %A Grundgeiger, Tobias %D 2017 %I {SAGE} Publications %J Quarterly Journal of Experimental Psychology %N 8 %P 1423--1438 %R 10.1080/17470218.2016.1187182 %T Commission errors in delay-execute prospective memory tasks %U https://doi.org/10.1080%2F17470218.2016.1187182 %V 70
• Horst-Schaper, G., Kumar, D.S., Schaper, P.: [POSTER] Patientenübergriffe - ein Thema für Betriebsärzte im Krankenhaus?!. 57th Wissenschaftliche Jahrestagung der Deutschen Gesellschaft für Arbeitsmedizin und Umweltmedizin e.V. (2017).
  • [ BibTeX ]
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  @proceedings{horstschaper2017patientenbergriffe, author = {Horst-Schaper, Gesa and Kumar, Deepa Sampath and Schaper, Philipp}, keywords = {myown}, publisher = {57th Wissenschaftliche Jahrestagung der Deutschen Gesellschaft für Arbeitsmedizin und Umweltmedizin e.V.}, title = {[POSTER] Patientenübergriffe - ein Thema für Betriebsärzte im Krankenhaus?!}, volume = {57th Wissenschaftliche Jahrestagung der Deutschen Gesellschaft für Arbeitsmedizin und Umweltmedizin e.V.}, year = 2017 }

  %0 Conference Proceedings %1 horstschaper2017patientenbergriffe %A Horst-Schaper, Gesa %A Kumar, Deepa Sampath %A Schaper, Philipp %D 2017 %I 57th Wissenschaftliche Jahrestagung der Deutschen Gesellschaft für Arbeitsmedizin und Umweltmedizin e.V. %T [POSTER] Patientenübergriffe - ein Thema für Betriebsärzte im Krankenhaus?! %V 57th Wissenschaftliche Jahrestagung der Deutschen Gesellschaft für Arbeitsmedizin und Umweltmedizin e.V.
• Schaper, P., Grundgeiger, T.: I should have stopped – Investigating the role of response suppression in commission errors. Beiträge zur 59.Tagung experimentell arbeitender Psychologen (2017).
  • [ BibTeX ]
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  @proceedings{schaper2017should, author = {Schaper, Philipp and Grundgeiger, Tobias}, keywords = {myown}, publisher = {Beiträge zur 59.Tagung experimentell arbeitender Psychologen}, title = {I should have stopped – Investigating the role of response suppression in commission errors}, volume = {Beiträge zur 59.Tagung experimentell arbeitender Psychologen}, year = 2017 }

  %0 Conference Proceedings %1 schaper2017should %A Schaper, Philipp %A Grundgeiger, Tobias %D 2017 %I Beiträge zur 59.Tagung experimentell arbeitender Psychologen %T I should have stopped – Investigating the role of response suppression in commission errors %V Beiträge zur 59.Tagung experimentell arbeitender Psychologen
• Schaper, P., Grundgeiger, T.: The role of cognitive load and suppression in commission errors. Conference of the European Society for Cognitive Psychology (2017).
  • [ BibTeX ]
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  @proceedings{schaper2017cognitive, author = {Schaper, Philipp and Grundgeiger, Tobias}, keywords = {myown}, publisher = {Conference of the European Society for Cognitive Psychology}, title = {The role of cognitive load and suppression in commission errors}, volume = {Conference of the European Society for Cognitive Psychology}, year = 2017 }

  %0 Conference Proceedings %1 schaper2017cognitive %A Schaper, Philipp %A Grundgeiger, Tobias %D 2017 %I Conference of the European Society for Cognitive Psychology %T The role of cognitive load and suppression in commission errors %V Conference of the European Society for Cognitive Psychology

• Schaper, P., Tscharn, R., Hurtienne, J.: HCI in der Lehre – am Puls der Zeit?. Mensch & Computer (2016).
  • [ BibTeX ]
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  @proceedings{schaper2016lehre, author = {Schaper, Philipp and Tscharn, Robert and Hurtienne, Jörn}, keywords = {myown}, publisher = {Mensch & Computer}, title = {HCI in der Lehre – am Puls der Zeit?}, volume = {Mensch & Computer}, year = 2016 }

  %0 Conference Proceedings %1 schaper2016lehre %A Schaper, Philipp %A Tscharn, Robert %A Hurtienne, Jörn %D 2016 %I Mensch & Computer %T HCI in der Lehre – am Puls der Zeit? %V Mensch & Computer
• Tscharn, R., Schaper, P., Aschenbrenner, D., Löffler, D., Hurtienne, J.: Benutzerschnittstellen für Industrieroboter - eine Usability-Evaluation. Mensch & Computer (2016).
  • [ BibTeX ]
  • [ EndNote ]
  @proceedings{tscharn2016benutzerschnittstellen, author = {Tscharn, Robert and Schaper, Philipp and Aschenbrenner, Doris and Löffler, Diana and Hurtienne, Jörn}, keywords = {myown}, publisher = {Mensch & Computer}, title = {Benutzerschnittstellen für Industrieroboter - eine Usability-Evaluation}, volume = {Mensch & Computer}, year = 2016 }

  %0 Conference Proceedings %1 tscharn2016benutzerschnittstellen %A Tscharn, Robert %A Schaper, Philipp %A Aschenbrenner, Doris %A Löffler, Diana %A Hurtienne, Jörn %D 2016 %I Mensch & Computer %T Benutzerschnittstellen für Industrieroboter - eine Usability-Evaluation %V Mensch & Computer
• Tscharn, R., Schaper, P., Sauerstein, J., Steinke, S., Stiersdörfer, S., Scheller, C., Huynh, H.T.: User Experience of 3D Map Navigation – Bare-Hand Interaction or Touchable Device?. Mensch & Computer (2016).
  • [ BibTeX ]
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  @proceedings{tscharn2016experience, author = {Tscharn, Robert and Schaper, Philipp and Sauerstein, Jan and Steinke, Sarah and Stiersdörfer, Sebastian and Scheller, Carsten and Huynh, Huy Tan}, keywords = {myown}, publisher = {Mensch & Computer}, title = {User Experience of 3D Map Navigation – Bare-Hand Interaction or Touchable Device?}, volume = {Mensch & Computer}, year = 2016 }

  %0 Conference Proceedings %1 tscharn2016experience %A Tscharn, Robert %A Schaper, Philipp %A Sauerstein, Jan %A Steinke, Sarah %A Stiersdörfer, Sebastian %A Scheller, Carsten %A Huynh, Huy Tan %D 2016 %I Mensch & Computer %T User Experience of 3D Map Navigation – Bare-Hand Interaction or Touchable Device? %V Mensch & Computer

• Schaper, P., Grundgeiger, T.: The effects of divided attention on commission errors in the delay-execute paradigm. Beiträge zur 57.Tagung experimentell arbeitender Psychologen (2015).
  • [ BibTeX ]
  • [ EndNote ]
  @proceedings{schaper2015effects, author = {Schaper, Philipp and Grundgeiger, Tobias}, keywords = {myown}, publisher = {Beiträge zur 57.Tagung experimentell arbeitender Psychologen}, title = {The effects of divided attention on commission errors in the delay-execute paradigm}, volume = {Beiträge zur 57.Tagung experimentell arbeitender Psychologen}, year = 2015 }

  %0 Conference Proceedings %1 schaper2015effects %A Schaper, Philipp %A Grundgeiger, Tobias %D 2015 %I Beiträge zur 57.Tagung experimentell arbeitender Psychologen %T The effects of divided attention on commission errors in the delay-execute paradigm %V Beiträge zur 57.Tagung experimentell arbeitender Psychologen
• Löffler, D., Toriizuka, T., Sakakibara, Y., Schaper, P., Hurtienne, J.: Examining the Design Space of Insect Inspired Notifications. Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing (2015).
  • [ BibTeX ]
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  @proceedings{loffler2015examining, author = {Löffler, Diana and Toriizuka, Takashi and Sakakibara, Yuki and Schaper, Philipp and Hurtienne, Jörn}, keywords = {myown}, publisher = {Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing}, title = {Examining the Design Space of Insect Inspired Notifications}, volume = {Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing}, year = 2015 }

  %0 Conference Proceedings %1 loffler2015examining %A Löffler, Diana %A Toriizuka, Takashi %A Sakakibara, Yuki %A Schaper, Philipp %A Hurtienne, Jörn %D 2015 %I Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing %T Examining the Design Space of Insect Inspired Notifications %V Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing

• Kumar, D.S., Horst-Schaper, G., Schaper, P.: [POSTER] Erfassung von Patientenübergriffen als Basis für die Entwicklung eines systematischen Deeskalationsmanagements an einer Klinik der Maximalversorgung - Aus der Praxis für die Praxis. 28th Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst (2014).
  • [ BibTeX ]
  • [ EndNote ]
  @proceedings{kumar2014poster, author = {Kumar, Deepa Sampath and Horst-Schaper, Gesa and Schaper, Philipp}, keywords = {myown}, publisher = {28th Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst}, title = {[POSTER] Erfassung von Patientenübergriffen als Basis für die Entwicklung eines systematischen Deeskalationsmanagements an einer Klinik der Maximalversorgung - Aus der Praxis für die Praxis}, volume = {28th Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst}, year = 2014 }

  %0 Conference Proceedings %1 kumar2014poster %A Kumar, Deepa Sampath %A Horst-Schaper, Gesa %A Schaper, Philipp %D 2014 %I 28th Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst %T [POSTER] Erfassung von Patientenübergriffen als Basis für die Entwicklung eines systematischen Deeskalationsmanagements an einer Klinik der Maximalversorgung - Aus der Praxis für die Praxis %V 28th Freiburger Symposium Arbeitsmedizin im Gesundheitsdienst
• Schaper, P., Grundgeiger, T.: Exploring commission errors after finished delayed intentions. Beiträge zur 56.Tagung experimentell arbeitender Psychologen (2014).
  • [ BibTeX ]
  • [ EndNote ]
  @proceedings{schaper2014exploring, author = {Schaper, Philipp and Grundgeiger, Tobias}, keywords = {myown}, publisher = {Beiträge zur 56.Tagung experimentell arbeitender Psychologen}, title = {Exploring commission errors after finished delayed intentions}, volume = {Beiträge zur 56.Tagung experimentell arbeitender Psychologen}, year = 2014 }

  %0 Conference Proceedings %1 schaper2014exploring %A Schaper, Philipp %A Grundgeiger, Tobias %D 2014 %I Beiträge zur 56.Tagung experimentell arbeitender Psychologen %T Exploring commission errors after finished delayed intentions %V Beiträge zur 56.Tagung experimentell arbeitender Psychologen
• Schaper, P., Grundgeiger, T.: Errors of commission in the delayed execute paradigm: Analyzing reaction times and prospective memory performance. 4th International Conference on Prospective Memory (2014).
  • [ BibTeX ]
  • [ EndNote ]
  @proceedings{schaper2014errors, author = {Schaper, Philipp and Grundgeiger, Tobias}, keywords = {myown}, publisher = {4th International Conference on Prospective Memory}, title = {Errors of commission in the delayed execute paradigm: Analyzing reaction times and prospective memory performance}, volume = {4th International Conference on Prospective Memory}, year = 2014 }

  %0 Conference Proceedings %1 schaper2014errors %A Schaper, Philipp %A Grundgeiger, Tobias %D 2014 %I 4th International Conference on Prospective Memory %T Errors of commission in the delayed execute paradigm: Analyzing reaction times and prospective memory performance %V 4th International Conference on Prospective Memory