Presentations

  • 2021 Hammer, S. Observation of Pedagogical Excellence in Teachers Across Nations (OPETAN): Lessons Learned from a Four Nation Study. Online-conference of the American Educational Research Association (AERA), Orlando, USA.
  • 2021 Gray, T., Masterson, J., Viesca, K.M., Morgenson, C., & Hammer, S. Evasion Pedagogies in Middle School: A Day in the Life of Three Multilingual Students. Online-conference of the American Educational Research Association (AERA), Orlando, USA.
  • 2020 Hammer, S. Observations of Pedagogical Excellence in Teaching Across Nations (OPETAN): Results from a Four Nation Study. The Exploring Language Education Conference (ELE), Oslo, Norway. (accepted but cancelled due to COVID-19)
  • 2020 Vasylyeva, T., Niederhaus, C., Böttger, l., Hammer, S., & Ehmke, T. Competences in teaching multilingual classrooms in pre-service and in-service teacher. International Association of Applied Linguistics (AILA), Groningen, Netherlands. (accepted but cancelled due to COVID-19)
  • 2020 Hammer, S., Viesca, K.M., Ehmke,T., & Heinz, B.E. Changes in Teachers‘ Beliefs Regarding Multilingualism in Schools. Accepted for Conference of the American Educational Research Association (AERA), San Fransisco, USA. (accepted but cancelled due to COVID-19)
  • 2020 Viesca, K.M., Strom, K.J., Gatti, L., Hammer, S., et al. Content Teaching for Multilingual Students: a Complex Assemblage of Interconnected Elements. Accepted for Conference of the American Educational Research Association (AERA), San Fransisco, USA. (accepted but cancelled due to COVID-19)
  • 2019 Schroedler, T., Hammer, S., Lemmrich, S., & Otto, L. Multilingualism and Teacher Education in Germany – Approaches under the Condition of increasing Diversity and Federalism. Conference of the European Educational Research Association (EERA-ECER), Hamburg, Germany.
  • 2019 Hammer, S., Viesca, K.M., Ehmke, E., & Heinz, B. Cross Cultural Comparison Between US and German Teachers' Beliefs Towards Multilingualism. Conference of the European Educational Research Association (EERA-ECER), Hamburg, Germany.
  • 2019 Viesca, K.M., Hammer, S., Flynn, N., & Alisaari, J. An International Examination of Quality Instructional Practices for Multilingual Learners in Content Classroom. Conference of the European Educational Research Association (EERA-ECER), Hamburg, Germany.
  • 2019 Hammer, S., & Viesca, K.M. Creating the Context for Language Development: Joint Productive Activity Across Content Classrooms in Four Nations. Conference of the European Educational Research Association (EERA-ECER), Hamburg, Germany.
  • 2019   Hammer,S., Viesca,K.M., Ehmke,T., & Heinz, B.E.Teachers’beliefs concerning teaching multilingual learners: a cross-cultural comparison between the US and Germany. Conference of the American Educational Research Association (AERA), Toronto, Canada.
  • 2019   Viesca, K. M., Hammer, S., Alisaari, J., Routarinne, S., Teemant, A., Perumal, R., Flynn, N., & Acquah, E. Quality Content Teaching for Multilingual Students: An International Examination of Instructional Practices in Four Nations. Conference of the American Educational Research Association (AERA), Toronto, Canada.
  • 2018   Otto, L., & Hammer, S. Practical Experience Equals Competency? Pre-And In-Service Teachers’ Professional Competency Development For Linguistically Responsive Teaching In Content Classrooms. Conference of the American Educational Research Association (AERA), New York, USA.
  • 2017   Alisaari, J., Hammer, S., Mendonça Dias, C., Paffard, F., White, R., & Viesca, K. The Multilingual Learner Research Group. Conference of the European Educational Research Association (EERA-ECER), Copenhagen, Denmark.
  • 2017   Fischer, N. & Hammer, S.. Deutsch als Zweitsprache im Fachunterricht –Überzeugungen angehender Lehrkräfte. [German as a Second Language in the Content Classroom: Pre-Service Teachers’ Beliefs]. Conference of the Gesellschaft für Empirische Bildungsforschung (GEBF), Heidelberg, Germany.
  • 2017   Ehmke, T., Hammer, S. & Fischer, N.. DaZ-Kompetenz von Lehramtsstudierenden: Effekte von Personenmerkmalen und Lerngelegenheiten auf den Kompetenzzuwachs. [Pre-Service Teachers’ German-as-a-Second-Language Competency: Effects of Person Characteristics and Opportunities to Learn on Competency Growth]. Conference on the subject of New International Perspectives on Future Teachers’ Professional Competencies, Hamburg, Germany.
  • 2017   Hammer, S. & Otto, L.. Linguistically Responsive Teaching in Content Classrooms: E-Learning module for pre-service teachers’ professional competency development. Conference of the American Educational Research Association (AERA), San Antonio, USA.
  • 2017   Hammer, S.. Professionelle Kompetenzen (angehender) Lehrkräfte im Umgang mit sprachlicher Heterogenität im nationalen und internationalen Vergleich -Entwicklung eines Kompetenzmodells. [Pre-Service Teachers’ Professional Competencies Regarding Linguistic Heterogeneity in National and International Comparison – Development of a Competency Model]. Closing Event of the Nachwuchsakademie Sprachliche Bildung in Cologne, Germany.
  • 2016   Fischer, N., Hammer, S. & Viesca, K.. Cross-National Research on Teachers of Bi/Multilingual Learners Challenges & Successes in Improving Equity. Conference of the Finnish Educational Research Association (FERA), Turku, Finland.
  • 2016   Hammer, S.. Multilingualism in School (Pre-)Service Teachers‘ Competencies and Opportunities to Learn. Conference of the International Association of Multilingualism (IAM L3) International Conference on Multilingualism and Third Language Acquisition, Vienna, Austria.
  • 2016   Aguerre, S., Alisaari, J., Commins, N., Dahm, R., Hammer, S. & Perumal, R.. Teaching in Multilingual Classrooms: International Perspective and Frameworks. Conference of the European Educational Research Association (EERA-ECER), Dublin, Ireland.
  • 2016   Hammer, S., Fischer, N. & Ehmke, T. Measuring Pre-service Teachers’ Professional Competencies in the Field of German as a Second Language: Knowledge and Beliefs. Conference of the Gesellschaft für Empirische Bildungsforschung (GEBF), Berlin, Germany.
  • 2015   Hammer, S.. Mehrsprachigkeit im schulischen Kontext – Ein internationales Kompetenzmodell. [Multilingualism in the School Setting – A International Competency Model]. Conference „Intergrative Sprach(en)förderung - Fragen, Handlungsfelder und Perspektiven“, Lüneburg, Germany.
  • 2015   Fischer, N. & Hammer, S.. Deutsch als Zweitsprache im Fachunterricht – Überzeugungen angehender Lehrkräfte. [German as a Second Language in the Content Classroom: Pre-Service Teachers’ Beliefs]. Conference of the Arbeitsgruppe für Empirische Pädagogische Forschung (AEPF), Göttingen, Germany.
  • 2015   Hammer, S., Ehmke, T. & Otto, L.. USA, Germany and Finland: Collaborating to Develop Culturally and Linguistically Responsive Teachers of Second Language Learners. Conference of the International Society for Language Studies (ISLS), Albuquerque, USA.
  • 2015   Hammer, S. & Viesca, K.M.. Towards an International Competency Model for Teaching Multilingual Learners in Content Classrooms. Conference of the American Educational Research Association (AERA), Chicago, USA.
  • 2015   Ehmke, T., Hammer, S., Ohm, U., Koch-Priewe, B., Köker, A. & Gültekin-Karakoc, N.. Measuring Pre-service Teachers‘ Pedagogical Language Knowledge: Development of a test instrument in the Field of German as a Second Language. Conference of the American Educational Research Association (AERA), Chicago, USA.
  • 2015   Hammer, S., Ehmke, T., Ohm, U., Koch-Priewe, B., Köker,A. & Gültekin-Karakoc, N.. Deutsch-als-Zweitsprache-Kompetenz von angehenden Lehrkräften: Welche Rolle spielen Lerngelegenheiten im Studium? [Pre-Service Teachers‘ German-as-a-Second-Language Competency: Which Role do Opportunities to Learn Play in Teacher Education?] Conference of the Gesellschaft für Empirische Bildungsforschung (GEBF), Bochum, Germany.
  • 2014   Hammer, S.. Validierung eines Testinstruments für Kompetenzen von Lehramtsstudierenden im Bereich Deutsch als Zweitsprache. [Validation of a Test Measuring Pre-Service Teachers’ Competencies in German as a Second Language] Conference of the Arbeitsgruppe für Empirische Pädagogische Forschung (AEPF), Hamburg, Germany.
  • 2014   Hammer, S.. Competency-Based Model of Educator Development for Culturally and Linguistically Responsive Teachers. KoKoHs-Autumn Academy, Berlin, Germany.
  • 2013   Hammer, S., & Rosenbrock, S. (2013). DaZKom – Professionelle Kompetenzen angehender LehrerInnen im Bereich Deutsch als Zweitsprache. [DaZKom – Professional Competency of Pre-Service Teachers in the Field of German as a Second Language]  Conference of the Deutsche Gesellschaft für Fremdsprachenforschung (DGFF), Augsburg, Germany.
  • 2013   Hammer, S. (2013). Construct validity of a test instrument to measure competencies in German as a Second Language of pre-service teachers. International Colloquium for Young Researchers, Mainz, Germany.