PD Dr. Peter Holtz worked at IWM from 2015 in the research group Knowledge Construction in different third-party funding. He passed away in September 2023.
We mourn the loss of a highly competent and cooperative scientist with manyfold interests. We will keep him in our memories.
von Hoyer, J. F., Kimmerle, J., Cress, U., & Holtz, P. (2024). False certainty as an unwanted side effect of knowledge acquisition in computer-based online search and content learning. Computers & Education, 208, Article 104930. https://dx.doi.org/10.1016/j.compedu.2023.104930
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von Hoyer, J., Bientzle, M., Cress, U., Grosser, J., Kimmerle, J., & Holtz, P. (2022). False certainty in the acquisition of anatomical and physiotherapeutic knowledge. BMC Medical Education, 22(1), Article 765. https://dx.doi.org/10.1186/s12909-022-03820-x
Open Access
von Hoyer, J., Hoppe, A., Kammerer, Y., Otto, C., Pardi, G., Rokicki, M., Yu, R., Dietze, S., Ewerth, R., & Holtz, P. (2022). The search as learning spaceship: Toward a comprehensive model of psychological and technological facets of search as learning. Frontiers in Psychology, 13, Article 827748. https://dx.doi.org/10.3389/fpsyg.2022.827748
Open Access
von Hoyer, J. F., Kimmerle, J., & Holtz, P. (2022). Acquisition of false certainty: Learners increase their confidence in the correctness of incorrect answers after online information search. Journal of Computer Assisted Learning, 38(3), 833-844. https://dx.doi.org/10.1111/jcal.12657 [Data]
Open Access
Putra, I. E., Wagner, W., Holtz, P., & Rufaedah, A. (2021). Accounting for a riot: Religious identity, denying one's prejudice, and the tool of blasphemy. Journal of Social and Political Psychology, 9(1), 69-85. https://dx.doi.org/10.5964/jspp.5565
Open Access
Holtz, P. (2020). Does Postmodernism Really Entail a Disregard for the Truth? Similarities and Differences in Postmodern and Critical Rationalist Conceptualizations of Truth, Progress, and Empirical Research Methods. Frontiers in Psychology, 11, Article 2418. https://dx.doi.org/10.3389/fpsyg.2020.545959
Open Access
Holtz, P. (2020). Two Questions to Foster Critical Thinking in the Field of Psychology: Are there any reasons to expect a different outcome, and what are the consequences if we don’t find what we were looking for? Meta-Psychology, 4, MP. 2018.894. https://dx.doi.org/10.15626/mp.2018.984
Open Access
Holtz, P., & Odağ, Ö. (2020). Popper was not a Positivist: Why Critical Rationalism Could be an Epistemology for Qualitative as well as Quantitative Social Scientific Research. Qualitative Research in Psychology, 17(4), 541-564. https://dx.doi.org/10.1080/14780887.2018.1447622
Ponizovskiy, V., Ardag, M., Grigoryan, L., Boyd, R., Dobewall, H., & Holtz, P. (2020). Development and Validation of the Personal Values Dictionary: A Theory–Driven Tool for Investigating References to Basic Human Values in Text. European Journal of Personality, 34(5), 885-902. https://dx.doi.org/10.1002/per.2294
Open Access
Bientzle, M., Hircin, E., Kimmerle, J., Knipfer, C., Smeets, R., Gaudin, R., & Holtz, P. (2019). Association of Online Learning Behavior and Learning Outcomes for Medical Students: Large-Scale Usage Data Analysis. JMIR Medical Education, 5(2), e13529. https://dx.doi.org/10.2196/13529
Open Access
Geschke, D., Lorenz, J., & Holtz, P. (2019). The triple-filter bubble: Using agent-based modelling to test a meta-theoretical framework for the emergence of filter bubbles and echo chambers. British Journal of Social Psychology, 58(1), 129-149. https://dx.doi.org/10.1111/bjso.12286
Open Access
Putra, I. E., Wagner, W., Rufaedah, A., & Holtz, P. (2019). Identity, representations, religion, and apologizing for past wrongdoings: Muslim discourse about Indonesia's 1965–66 massacres of communists. Journal of Community & Applied Social Psychology, 29(6), 492-503. https://dx.doi.org/10.1002/casp.2419
Holtz, P., Fetahu, B., & Kimmerle, J. (2018). Effects of contributor experience on the quality of health-related Wikipedia articles. Journal of Medical Internet Research, 20:e171. https://dx.doi.org/10.2196/jmir.9683 [Data]
Open Access
Holtz, P., Kimmerle, J., & Cress, U. (2018). Using big data techniques for measuring productive friction in mass collaboration online environments. International Journal of Computer-Supported Collaborative Learning, 13, 439-456. https://dx.doi.org/10.1007/s11412-018-9285-y
Open Access
Putra, I. E., Holtz, P., Pitaloka, A., Kronberger, N., & Arbiyah, N. (2018). Positive Essentialization Reduces Prejudice: Reminding Participants of a Positive Human Nature Alleviates the Stigma of Indonesian Communist Party (PKI) Descent. Journal of Social and Political Psychology, 6(2), 291-314. https://dx.doi.org/10.5964/jspp.v6i2.794
Open Access
Putra, I. E., Holtz, P., & Rufaidah, A. (2018). Who is to blame, the victims or the perpetrators? A study to understand a series of violence targeting the accused heretic group Ahmadiyya. Psychology of Religion and Spirituality, 10(2), 166-173. https://dx.doi.org/10.1037/rel0000186
Holtz, P., Deutschmann, E., & Dobewall, H. (2017). Cross-Cultural Psychology and the Trend towards Academic Capitalism: Linguistic Changes in CCR and JCCP Articles, 1970-2014. Journal of Cross-Cultural Psychology, 48, 1410-1431. https://dx.doi.org/10.1177/0022022117724902
Holtz, P., & Gnambs, T. (2017). The improvement of student teachers’ instructional quality during a 15 week field experience: a latent multimethod change analysis. Higher Education, 74, 669-685. https://dx.doi.org/10.1007/s10734-016-0071-3
Holtz, P., & Monnerjahn, P. (2017). Falsificationism is not just ‘potential’ falsifiability, but requires ‘actual’ falsification: Social psychology, critical rationalism, and progress in science. Journal for the Theory of Social Behaviour, 47, 348-362. https://dx.doi.org/10.1111/jtsb.12134
Uluğ, M., Odağ, Ö., Cohrs, C., & Holtz, P. (2017). Understanding the Kurdish conflict through the eyes of Kurds and Turks: New conflict reflections from lay people in Turkey. International Journal of Conflict Management, 28, 483-508. https://dx.doi.org/10.1108/IJCMA-05-2016-0035
Yenikent, S., Holtz, P., & Kimmerle, J. (2017). The impact of topic characteristics and threat on willingness to engage with Wikipedia articles: Insights from laboratory experiments. Frontiers in Psychology, 8, Article 1960. https://dx.doi.org/10.3389/fpsyg.2017.01960
Open Access
Holtz, P. (2016). How Popper’s ‘Three Worlds Theory’ resembles Moscovici’s ‘Social Representations Theory’ but why Moscovici’s ‘Social Psychology of Science’ still differs from Popper’s ‘Critical Approach’. Papers on Social Representations, 25, 13.1-13.24. https://dx.doi.org/10.1111/jtsb.12134
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Holtz, P., Wagner, W., & Sartawi, M. (2015). Discrimination and immigrant identity work: Fundamentalist and secular Muslims facing the Swiss Minaret Ban. Journal of the Social Sciences, 43, 9-29.
Appel, M., Stiglbauer, B., Holtz, P., & Batinic, B. (2014). Internet use and verbal aggression: The moderating role of parents and peers. Computers in Human Behavior, 33, 235-241.
Holtz, P., Dahinden, J., & Wagner, W. (2013). German Muslims and the integration debate: Negotiating identities in face of discrimination. Integrative Psychological and Behavioral Science, 47, 231-248. https://dx.doi.org/10.1007/s12124-012-9227-6
Lütgert, W., Holtz, P., Kleinespel, K., & Ahrens, F. (2013). Didaktikum oder Brücke zum Vorbereitungsdienst? – Anmerkungen zum Jenaer und Paderborner Praxissemester. zdg (zeitschrift für didaktik der gesellschaftswissenschaften), 2, 196-208.
Moloney, G., Holtz, P., & Wagner, W. (2013). Editorial political cartoons in Australia: Social representations and the visual depiction of essentialism. Integrative Psychological and Behavioral Science, 47, 284-298.
Appel, M., Stiglbauer, B., Holtz, P., & Batinic, B. (2012). Parents as a resource: Communication quality affects the relationship between adolescents’ internet use and loneliness. Journal of Adolescence, 35, 1641-1648.
Holtz, P., Kronberger, N., & Wagner, W. (2012). Analyzing internet forums: A practical guide. Journal of Media Psychology, 24, 55-66.
Kronberger, N., Holtz, P., & Wagner, W. (2012). Consequences of media information uptake and deliberation: Focus groups' symbolic coping with synthetic biology. Public Understanding of Science, 21, 174-187. https://dx.doi.org/10.1177/0963662511400331
Holtz, P. (2011). Teaching Cyberethics: Value orientations as predictors of the acquisition of moral competence in a course on the social consequences of information technology. International Journal of Cyberethics in Education, 1, 22-34.
Holtz, P., & Appel, M. (2011). Internet use and video gaming predict problem behavior in early adolescence. Journal of Adolescence, 34, 49-58. https://dx.doi.org/10.1016/j.adolescence.2010.02.004
Wagner, W., Kronberger, N., Nagata, M., Sen, R., Holtz, P., & Flores Palacios, F. (2010). An essentialist theory of "Hybrids": From animal kinds to ethnic categories and race. Asian Journal of Social Psychology, 13, 232-246.
Holtz, P. (2009). What's your music? Subjective theories of music creating artists. Musicae Scientiae, 13, 207-230. https://dx.doi.org/10.1177/102986490901300202
Holtz, P., & Wagner, W. (2009). Essentialism and attribution of monstrosity in racist discourse: Right-wing Internet postings about Africans and Jews. Journal of Community & Applied Social Psychology, 19, 411-425. https://dx.doi.org/10.1002/casp.v19:6
Kronberger, N., Holtz, P., Strasser, E., Kerbe, W., & Wagner, W. (2009). From the lab via the media to the broader public. Systems and Synthetic Biology, 3, 19-26.
Wagner, W., Holtz, P., & Kashima, Y. (2009). Constructing and deconstructing essence in social groups: Identity projects, sterotyping, and racism. Journal for the Theory of Social Behaviour, 39, 363-383. https://dx.doi.org/10.1111/jtsb.2009.39.issue-3
Otto, C., Rokicki, M., Pardi, G., Gritz, W., Hienert, D., Yu, R., von Hoyer, J., Hoppe, A., Dietze, S., Holtz, P., Kammerer, Y., & Ewerth, R. (2022). SaL-lightning dataset: search and eye gaze behavior, resource interactions and knowledge gain during web search. In D. Elsweiler, U. Kruschwitz, & B. Ludwig (Eds.), ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR '22) (p. 347–352). Association for Computing Machinery. https://dx.doi.org/10.1145/3498366.3505835
Otto, C., Yu, R., Pardi, G., von Hoyer, J., Rokicki, M., Hoppe, A., Holtz, P., Kammerer, Y., Dietze, S., & Ewerth, R. (2021). Predicting knowledge gain during web search based on multimedia resource consumption. In I. Roll, D. McNamara, S. Sosnovsky., R. Luckin, & V. Dimitrova (Eds.), Artificial Intelligence in Education. AIED 2021. Lecture Notes in Computer Science, Vol. 12748 (pp. 318-330). Springer. https://dx.doi.org/10.1007/978-3-030-78292-4_26
Pardi, G., von Hoyer, J., Holtz, P., & Kammerer, Y. (2020). The role of cognitive abilities and time spent on texts and videos in a multimodal Searching as Learning task. In H. O’Brien, L. Freund, I. Arapakis, O. Hoeber, & I. Lopatovska (Eds.), Proceedings of the 2020 Conference on Human Information Interaction and Retrieval (pp. 378-382). New York, NY: ACM. https://dx.doi.org/10.1145/3343413.3378001
Shi, J., Otto, C., Hoppe, A., Holtz, P., & Ewerth, R. (2019). Investigating Correlations of Automatically Extracted Multimodal Features and Lecture Video Quality. Proceedings of the 1st International Workshop on Search as Learning with Multimedia Information (pp. 11-19). ACM. https://dx.doi.org/10.1145/3347451.3356731
von Hoyer, J., Pardi, G., Kammerer, Y., & Holtz, P. (2019). Metacognitive judgments in Searching as Learning (SAL) tasks insights on (mis-) calibration, multimedia usage, and confidence. Proceedings of the 1st International Workshop on Search as Learning with Multimedia Information (pp. 3-10). ACM. https://dx.doi.org/10.1145/3347451.3356730
Gadiraju, U., Yu, R., Dietze, S., & Holtz, P. (2018). Analyzing knowledge gain of users in informational search sessions on the web. In C. Shah & N. J. Belkin (Eds.), Proceedings of the 2018 Conference on Human Information Interaction & Retrieval CHIIIR (pp. 2-11). New Brunswick, NJ: ACM.
Hoppe, A., Holtz, P., Kammerer, Y., Yu, R., Dietze, S., & Ewerth, R. (2018). Current Challenges for Studying Search as Learning Processes. In S. Dietze, M. D’Aquin, D. Gasevic, E. Herder, & J. Kimmerle (Eds.), Proceedings of the 7th Workshop on Learning & Education with Web Data (LILE2018) in conjunction with ACM Web Science 2018 (WebSci18) (pp. 19-22). Amsterdam: VU.
Yenikent, S., Holtz, P., Thalmann, S., d'Aquin, M., & Kimmerle, J. (2018). Evaluating the AFEL learning tools: Didactalia users’ experiences with personalized recommendations and interactive visualizations. 13th European Conference on Technology Enhanced Learning (Paper 3). Heidelberg, Dordrecht, London, New York: Springer.
Yu, R., Gadiraju, U., Holtz, P., Rokicki, M., Kemkes, P., & Dietze, S. (2018). Predicting User Knowledge Gain in Informational Search Sessions. In K. Collins-Thompson & Q. Mei (Eds.), Proceedings of SIGIR '18: The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval (pp. 75-84). New York: ACM. https://dx.doi.org/10.1145/3209978.3210064
D'Aquin, M., Adamou, A., Dietze, S., Fetahu, B., Gadiraju, U., Hasani-Mavriqi, I., Holtz, P., Kimmerle, J., Kowald, D., Lex, E., Lopez.Sola, S., Maturana, R., Sabol, V., Troullinou, P., & Veas, E. (2017). AFEL: Towards Measuring Online Activities Contributions to Self-directed Learning. Proceedings of the 7th Workshop on Awareness and Reflection in Technology Enhanced Learning (ARTEL) in conjunction with the 12th European Conference on Technology Enhanced Learning: Adaptive and Adaptable Learning (EC-TEL 2017). http://www.teleurope.eu/pg/file/read/400534/afel-towards-measuring-online-activities-contributions-to-selfdirected-learning
Holtz, P., Cress, U., & Kimmerle, J. (2020). Lernen in sozialen Medien. In H. Niegemann & A. Weinberger (Eds.), Handbuch Bildungstechnologie (pp. 677-687). Berlin: Springer.
Messingschlager, T., & Holtz, P. (2020). Filter Bubbles und Echo Chambers. In M. Appel (Ed.), Die Psychologie des Postfaktischen: Über Fake News,„Lügenpresse“, Clickbait & Co. (pp. 91-102). Berlin, Heidelberg: Springer.
Holtz, P., & Kimmerle, J. (2019). „Lügenpresse“ und der Hostile Media Effekt. In M. Appel (Ed.), Die Psychologie des Postfaktischen. Über „Fake News“, „Lügenpresse“, Clickbait & Co. (pp. 21-31). Heidelberg: Springer.
Holtz, P., von Hoyer, J., & Frindte, W. (2019). Soziale Medien als Bühne des 21. Jahrhunderts. In W. Frindte & D. Geschke (Eds.), Lehrbuch Kommunikationspsychologie (pp. 389-432). Weinheim: Beltz Juventa.
Wagner, W., Raudsepp, M., Holtz, P., & Sen, R. (2017). Essence politics: Identity work and stereotyping in inter-group relations. In C. Howarth & E. Andreouli (Eds.), The Social Psychology of Everyday Politics (pp. 49-64). London: Routledge.
Holtz, P. (2014b). Jenseits von Selbstauskünften: Kompetenzentwicklung von Studierenden im Praxissemester aus Sicht von Schülern, Mentoren und Praktikanten unter Nutzung des EMU-Instrumentariums. In K. Kleinespel (Ed.), Ein Praxissemester in der Lehrerbildung: Konzepte, Befunde und Entwicklungsprozesse im Jenaer Modell der Lehrerbildung (pp. 137-154). Bad Heilbrunn: Klinkhardt.
Holtz, P. (2014a). „Es heißt ja auch Praxissemester und nicht Theoriesemester“: Quantitative und qualitative Befunde zum Spannungsfeld zwischen Theorie und Praxis im Jenaer Praxissemester.. In A. K. Kleinespel (Ed.), Ein Praxissemester in der Lehrerbildung: Konzepte, Befunde und Entwicklungsprozesse im Jenaer Modell der Lehrerbildung (pp. 97-118). Bad Heilbrunn: Klinkhardt.
Holtz, P., & Wagner, W. (2012). Muslimische Lebenswelten im Kontext: Muslimische Internetforen und Fokusgruppen mit jungen Muslimen. In W. Frindte, K. Böhnke, H. Kreikenbom, & W. Wagner (Eds.), Muslimische Lebenswelten im Kontext: Muslimische Internetforen und Fokusgruppen mit jungen Muslimen. Berlin: Bundesministerium des Innern – Schriften zur inneren Sicherheit.
Wagner, W., Holtz, P., & Kashima, Y. (2012). Dynamika społeczna psychologicznego esencjalizmu: tozsamosc społezna a stereotypizacja [constructing and deconstructing essence in social groups: identity projects, sterotyping, and racism]. In M. Drogosz, M. Bilewicz, & M. Kofta (Eds.), Poza stereotypy: Dehumanizacja i esencjalizm w postrzeganiu grup społecznych [Beyond Stereotypes: Dehumanization and Essentialism in Group Perception]. Warszaw: WNS.
Wagner, W., Holtz, P., Kashima, Y., & Bermudez, J. A. (2012). La política del esencialismo psicológico: construcción y deconstrucción de la representación social y de la identidad [essence politics: the construction and deconstruction of essence in representing identity]. In J. Juarez, S. Arciga, & J. Mendozwa Garcia (Eds.), Memoria colectiva. Procesos psicosociales (pp. 230-261). Mexico City: UAM-Porrua.
Holtz, P., & Wagner, W. (2011). Dehumanization, infrahumanization, and naturalization. In D. J. Christie (Ed.), The Encyclopedia of Peace Psychology (pp. Vol. I, pp. 317-321). New York: Wiley-Blackwell.
Holtz, P. (2013). Vorbereitung auf den Berufseinstieg aus wissenschaftlicher Sicht. SchulVerwaltung spezial, 5, 12-14.
Otto, C., Rokicki, M., Pardi, G., Gritz, W., Hienert, D., Yu, R., von Hoyer, J., Hoppe, A., Dietze, S., Holtz, P., Kammerer, Y., & Ewerth, R. (2022, March 14-18). SaL-lightning dataset: Search and eye gaze behavior, resource interactions and knowledge gain during Web search. ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR '22). Regensburg. [Talk]
Pardi, G., von Hoyer, J., Holtz, P., & Kammerer, Y. (2020, August). The role of cognitive abilities and time spent on texts and videos in a multimodal Searching as Learning task. Conference on Human Information Interaction and Retrieval (CHIIR) (online conference). Vancouver, British Columbia, Canada. [Poster]
von Hoyer, J., & Holtz, P. (2020, July). Acquisition of false certainty in search as learning. JURE 2020 Conference. Porto, Portugal. (Conference cancelled). https://www.earli.org/JURE2020#jure-2020 [Talk]
Holtz, P. (2019, September). The Triple Filter Bubble: An Agent Based Model of the Emergence of Filter Bubbles and Echo Chambers. 11th Conference of the Media Psychology Division 2019. Chemnitz, Germany. [Talk]
Holtz, P., & von Hoyer, J. (2019, September). Searching as Learning (SAL): Ergebnisse und epistemische Probleme der Lernforschung im Schnittfeld von Psychologie und Data. Gemeinsame Tagung der Fachgruppen Entwicklungspsychologie und Pädagogische Psychologie der Deutschen Gesellschaft für Psychologie (PAEPSY). Leipzig, Deutschland. [Vortrag]
von Hoyer, J., & Holtz, P. (2019, September). Unter welchen Bedingungen führt Searching as Learning (SAL) zu einem False Certainty Effekt? Gemeinsame Tagung der Fachgruppen Entwicklungspsychologie und Pädagogische Psychologie der Deutschen Gesellschaft für Psychologie (PAEPSY). Leipzig, Deutschland. [Vortrag]
Holtz, P. (2018, July). How to Extract Latent Psychological Constructs from Textual Data. Invited talk at the CSS Summer School for Computational Social Science. Bremen. [Talk]
Holtz, P., Cress, U., & Kimmerle, J. (2018, September). AFEL – Reconstructing processes of everyday learning from internet activity data. 51. Kongress der Deutschen Gesellschaft für Psychologie (DGPs). Frankfurt am Main. [Talk]
Holtz, P., & Odağ, Ö. (2018, January). Popper was not a positivist: Why critical rationalism could be an epistemology for qualitative as well as quantitative social scientific research. Invited talk at the 1st Workshop of the DFG-Network Mixed Methods and Multimethod Research MMMR. Hamburg. [Talk]
Yenikent, S., Holtz, P., & Kimmerle, J. (2018, September). Keep calm and wiki on: How do topic characteristics and threat perception influence Wikipedia engagement? 51. Kongress der Deutschen Gesellschaft für Psychologie (DGPs). Frankfurt am Main. [Talk]
Yenikent, S., Holtz, P., Thalmann, S., D‘Aquin, M., & Kimmerle, J. (2018, September). Evaluating the AFEL learning tool: Didactalia users’ experiences with personalized recommendations and interactive visualizations. European Conference of Technology Enhanced Learning (EC-TEL). Leeds, UK. [Talk]
Buttliere, B., Buder, J., & Holtz, P. (2017, September). Evidence of a negativity bias in Psychological Science. 10th Conference of the DGPs Media Psychology Division. Landau. [Poster]
D'Aquin, M., Adamou, A., Dietze, S., Fetahu, B., Gadiraju, U., Hasani-Mavriqi, I., Holtz, P., Kimmerle, J., Kowald, D., Lex, E., Lopez Sola, S., Maturana, R., Sabol, V., Troullinou, P., & Veas, E. (2017, September). AFEL: Towards measuring online activities contributions to self-directed learning. 7th Workshop on Awareness and Reflection in Technology Enhanced Learning. Tallinn, Estonia. [Talk]
Holtz, P. (2017, Oktober). Big Data studies on echo chamber effects. Invited talk at the Workshop Agent-based modeling of information spread online, echo chambers and cyberbalkanization. Jacobs Universität Bremen. [Talk]
Holtz, P., Deutschmann, E., & Dobewall, H. (2017, September). Scientific articles as media products: Linguistic changes in research articles from the field of cross-cultural psychology (1970-2014) indicate a trend towards academic capitalism. 10th Conference of the DGPs Media Psychology Division. Landau. [Talk]
Lorenz, J., Geschke, D., & Holtz, P. (2017, October). Workshop Agent-based modeling of information spread online, echo chambers and cyberbalkanization. Jacobs Universität Bremen. [Workshop Organisation]
Yenikent, S., Kimmerle, J., & Holtz, P. (2017, September). Effects of perceived topic characteristics and mortality salience on willingness to contribute to Wikipedia. 10th Conference of the Media Psychology Division of the German Psychological Society. Landau. [Poster]
Holtz, P. (2016, September). Weit verbreitete Missverständnisse bezüglich Karl Poppers Wissenschaftsphilosophie in (Sozial-) Psychologischen Arbeiten und deren Implikationen für die gegenwärtige Krise. 50. Kongress der Deutschen Gesellschaft für Psychologie (DGPs). Leipzig. [Vortrag]
Holtz, P. (2015, June). Falsificationism is not the same as Falsifiability! Social Psychology and Critical Rationalism. 15th Biennial Conference of the International Society for Theoretical Psychology. Coventry, UK. [Talk]
Holtz, P. (2014, Juni). Digitale Spuren des Hasses: Gewalt legitimierende Diskurse in einem deutschen Neo-Nazi-Internetforum in den Jahren 2006-2008. 27. Jahrestagung des "Forums Friedenspsychologie". Jena. [Vortrag]
Holtz, P. (2014, Juni). Kompetenzgewinne im Jenaer Praxissemester aus Sicht von Studierenden, MentorInnen und SchülerInnen. Eingeladener Vortrag an der Universität Oldenburg. [Vortrag]
Holtz, P., Kimmerle, J., Yenikent, S., & Stark, P. (2017). Learning Analytics Glossary. https://laglossary.github.io
Holtz, P. (2012). Die Muslim-Studie? Völlig missverstanden. http://www.spiegel.de/politik/deutschland/integrationsdebatte-die-muslim-studie-voellig-missverstanden-a-819018.html
von Hoyer, J. F., Kimmerle, J., Cress, U., & Holtz, P. (2023). Dataset for: False certainty as an unwanted side effect of knowledge acquisition in computer-based online search and content learning. https://osf.io/rc87v/
von Hoyer, J. F., Kimmerle, J., & Holtz, P. (2022). Dataset for: Acquisition of false certainty: Learners increase their confidence in the correctness of incorrect answers after online information search. https://osf.io/v75ba/?view_only=0a35d7fdf4cf440393d0d39d8d1585ed [Publication]
von Hoyer, J. F., Bientzle, M., Cress, U., Grosser, J., Kimmerle, J., & Holtz, P. (2021). Dataset for: False certainty in the acquisition of anatomical and physiotherapeutic knowledge. https://osf.io/6v8za/?view_only=4a8fd507cceb42c1b8a8e9070d247728
Holtz, P., Fetahu, B., & Kimmerle, J. (2018). Dataset for: Effects of contributor experience on the quality of health-related Wikipedia articles. https://jmir.org/api/download?alt_name=jmir_v20i5e171_app1.pdf&filename=28831ff386d51b886684ef4fbded8144.pdf [Publication]
