^{g} represents graduate research assistants; and ^{u} represents undergraduate research assistants

**International Presentations:**

^{u}Contreras, V., ^{u}Chimilio, S., **Jung, H**., & I, J. (2021). Preservice teachers’ engagement in mathematical representations of social (in)justice and inequity. *International Online Conference on Mathematics Education.*

Brady, C., & ** Jung, H**., (2019). Class presentations of modelling solutions: A setting for individual and group modelling competencies. Paper presented at

*the International Community of Teachers of Mathematical Modelling and Applications.*

** Jung, H. **& Magiera, M. (2018). Prospective teachers’ learning opportunities to pose mathematical modeling problems. presented at

*the forty-second International Group for the Psychology of Mathematics Education*. Umeå, Sweden.

Brady, C., Dominguez, A., McLean, J., ** Jung, H**., & Glancy, A. (2017). A comparative analysis of learners’ models from multiple perspectives via a cross-institutional collaborator network. Paper presented at

*the 18*(ICTMA-18). Cape Town, South Africa.

^{th}International Community of Teachers of Mathematical Modelling and ApplicationsBrady, C., Eames, C., ** Jung, H**. (2016). Design principles for curricular sequences focused on models and modeling.Paper presented at

*the 13*(ICME-13), Hamburg, Germany.

^{th}International Congress on Mathematical EducationRodgers, K.J., Marbouti, F., Shafaat, A., ** Jung, H**., & Diefes-Dux, H.A. (2014). Influence of teaching assistants’ motivation on scaffolding student learning. Paper presented at the

*Frontiers in Education Conference*, Madrid, Spain.

Lee, E., Oh, W., Kim, N., Chae, E., & ** Jung, H.** (2012).

*Components of building creativity and character.*Poster presented at the

*12*(ICME-12), Seoul, South Korea.

^{th}International Congress on Mathematical Education**National Presentations:**

**Jung, H**. & Wickstrom, M. (accepted). Designing and enacting culturally responsive mathematical modeling tasks. The Association of Mathematics Teacher Educators 2022 Annual Conference.

Wickstrom, M., & ** Jung, H**. (accepted). Promoting productive dispositions toward mathematics through modeling. The Association of Mathematics Teacher Educators 2022 Annual Conference.

Wickstrom, M., & ** Jung, H**. (2021). Supporting elementary preservice teachers as modelers. The Association of Mathematics Teacher Educators 2021 Annual Conference.

Newton, J., & ** Jung, H**. (2018). Investigating the preparation of algebra teachers. Research Reported accepted to present at the Annual Research Conference of the National Council of Teachers of Mathematics, Washington, DC.

Keazer, L., & ** Jung, H**. (2018). Prospective teachers anticipate challenges with fostering problem solving. Research Reported accepted to present at the Annual Research Conference of the National Council of Teachers of Mathematics, Washington, DC.

** Jung, H., **Stehr, E.M., & He, J. (2017). Conceptions of modeling reported by instructors in teacher preparation programs. The 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Indianapolis, IN: Hoosier Association of Mathematics Teacher Educators.

He, J., Stehr, E.M, &** Jung, H. **(2017). Nature of mathematical modeling tasks for secondary mathematics preservice teachers. The 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Indianapolis, IN: Hoosier Association of Mathematics Teacher Educators.

I, J.,** Jung, H**., & Son, J. (2017). Developing criteria to design and assess mathematical modeling problems: from problems to social justice. The 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Indianapolis, IN: Hoosier Association of Mathematics Teacher Educators.

Son, J.,** Jung, H**., & I, J. (2017). How much do I know about mathematical modeling? The 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Indianapolis, IN: Hoosier Association of Mathematics Teacher Educators.

Newton, J., ** Jung, H**., & Stehr, E. (2017). Preparing algebra teachers: Focus on making connections. The annual meeting of the American Educational Research Association, San Antonio, TX.

Stehr, E.M., ** Jung, H**., & Newton, J. (2016). Algebra as a tool: Making connections in teacher preparation. The Twenty-first Annual Conference of the Association of Mathematics Teacher Educators. Orlando, FL.

** Jung, H**., Stehr, E., He, J., & Senk, S. (2016). Learning about modeling in teacher preparation programs. The 38th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Tucson, AZ: University of Arizona.

Stehr, M. E. & ** Jung, H.** (2016). Supporting preservice teachers’ use of connections and technology in algebra teaching and learning. SIGMAA’s 19th Annual Conference on Research in Undergraduate Mathematics Education. Pittsburgh, PA.

Craig, J., ** Jung, H**., Senk, S., & Stehr, E. (2015). Preparing pre-service algebra teachers to engage in the mathematics teaching practices. The National Council of Teachers of Mathematics (NCTM) Research Conference, Boston, MA.

Stehr, E.M., Craig, J., ** Jung, H.,** Medel, L., Mintos, A., Newton, J. (2015). Mathematical knowledge for teachers: Opportunities to learn to teach algebra in teacher education programs. The37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. East Lansing, MI: Michigan State University.

Richardson, S.E., ** Jung, H**., & Bofferding, L. (2014). Teachers’ use of student thinking in collaborative lesson planning. The Association of Mathematics Teacher Educators (AMTE). Irvine, CA.

Mintos, A., Hoffman, A., & ** Jung, H**. (2014). Secondary mathematics teacher education: Learning how to teach algebra. The Association of Mathematics Teacher Educators (AMTE). Irvine, CA.

Marbouti, F., Rodgers, K.J., ** Jung, H**., Moon, A. & Diefes-Dux, H.A. (2013). Factors that help and hinder teaching assistants’ ability to execute their responsibilities. The American Society for Engineering Education Annual Conference, Atlanta, GA.

** Jung, H.** (2013). Pedagogical knowledge for algebra on the runway: Turning research from the ICME-12 into practice. The Thirty-fifth Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education. Chicago, IL.

** Jung, H.**, Moon, A., Rodgers, K.J., Marbouti, F., & Diefes-Dux, H.A. (2013). Mathematical modeling problems: What affects teaching assistants’ ability to provide feedback? The Thirty-fifth Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education. Chicago, IL.

Moon, A., ** Jung, H.**, Marbouti, F., Rodgers, K.J., & Diefes-Dux, H.A. (2013). Undergraduate and graduate teaching assistants’ perceptions of their responsibilities – Factors that help or hinder. The Frontiers in Education Conference, Oklahoma City, OK.

Rodgers, K.J., Diefes-Dux, H.A., ** Jung, H.**, & Cardella, M.E. (2013). A comparative analysis of feedback from undergraduate and graduate teaching assistants on open-ended problems. The American Educational Research Association (AERA). San Francisco, CA.

** Jung, H.** (2013). Pedagogical content knowledge for algebra – An international view. The Association of Mathematics Teacher Educators (AMTE). Orlando, FL.

** Jung, H.,** & Mintos, A. (2013). Preparing secondary mathematics teachers: Focus on contexts and modeling in algebra. The Association of Mathematics Teacher Educators (AMTE). Orlando, FL.

Senk S., Newton J., He J., ** Jung, H.,** Stehr E., & Mintos A. (2012). Developing frameworks for preparation of algebra teachers: Challenges and opportunities. The Thirty-fourth Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education. Kalamazoo, MI: Western Michigan University.

Oh, W., Lee, E., Chae, E., Kim, N., & ** Jung, H**. (2012). Investigating components of building creativity and character through analyzing exemplary video lessons: Focusing on middle school mathematics. The forty-first Korean Society of Educational Studies in Mathematics. Seoul, South Korea.

**Workshops:**

** Jung, H**., &

^{u}Brand, S., (2019). Engaging with a hands-on engineering-based mathematical modeling activity. Workshop at the Girls Empowered by Math and Science Conference, Wisconsin.

Brady, C., Dominguez, A., Glancy, A., ** Jung, H**., & McLean, J. (2018). Models and modeling working group. The 40th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Greenville, South Carolina.

Brady, C., Dominguez, A., Glancy, A., ** Jung, H**., & McLean, J. (2017). Models and modeling working group. The 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Indianapolis, IN: Hoosier Association of Mathematics Teacher Educators.

Brady, C., Dominguez, A., Glancy, A., ** Jung, H**., McLean, J. & Middleton, J. (2016). Models and modeling working group. The 38th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Tucson, AZ: University of Arizona.

Brady, C., ** Jung, H,** & Eames, C. (2015). Models and Modeling working group. The 37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. East Lansing, MI: Michigan State University.

Yang, K.J., & ** Jung, H.** (2012). Difficulty in fraction operations with different denominators? Not anymore! The National Council of Teachers of Mathematics (NCTM) Annual Meeting, Philadelphia, PA.

Schoolcraft, N., & ** Jung, H**. (2012). Think-Pair-Think-Share, not Think-Pair-Share, The National Council of Teachers of Mathematics (NCTM) Annual Meeting, Philadelphia, PA.

** Jung, H.** & Lambdin, D.V. (2011). Investigating area and volume using manipulatives, the Geometers’ SketchPad, and TinkerPlots. The National Council of Teachers of Mathematics (NCTM) Annual Meeting, Indianapolis, IN.

**Posters:**

Keazer, L., & ** Jung, H**. (2017). Prospective teachers understandings of math practice: Make sense and persevere. The 39th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. Indianapolis, IN.

** Jung, H.** & Stehr, E.M. (2016). Preservice teachers’ learning about algebra related to connections and technology. The Twentieth Annual Conference of the Association of Mathematics Teacher Educators. Irvine, CA.

Newton, J., ** Jung, H.,** Stehr, E.M., & Senk, S. (2015). Building algebra connections in teacher education. The 37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. East Lansing, MI: Michigan State University.

** Jung, H.,** Stehr, E.M., Senk, S., He, J., &, Medel, L. (2015). Secondary preservice teachers’ opportunities to learn about modeling in algebra. The 37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. East Lansing, MI: Michigan State University.

** Jung, H**., Hoffman, A., Nahar, A., & Newton, J. (2013). Integration of pre-service teacher knowledge and CCSSM: Modeling in algebra. The Thirty-fifth annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (PME-NA). Chicago, IL

** Jung, H.,** Richardson, S.E., & Bofferding, L. (2013). Graphical relationships: Teachers’ interpretations of two context-related graphs. The American Educational Research Association (AERA). San Francisco, CA.

** Jung, H.,** Diefes-Dux, H.A., Rodgers, K.J., & Cardella, M.E. (2013). Effect of feedback on students’ performance and confidence during mathematical modeling. The American Educational Research Association (AERA). San Francisco, CA.

**Regional Presentations**

**Research talks:**

** Jung, H.**, Mintos, A., Newton, J. (2013). A look into teacher education: A focus on opportunities to learn contexts and modeling in mathematics education. Invited speakers for a doctoral seminar. West Lafayette, IN.

Newton, J., Alexander, V., ** Jung, H**., & Mintos, A. (2013). Preparing to teach algebra: A study of teacher education. Invited speakers for a research seminar. West Lafayette, IN.

** Jung, H**., & Mintos, A. (2013). Algebraic modeling: Pre-service teachers’ opportunities to learn. Paper presented at the Indiana Mathematics Education Symposium, Indianapolis, IN.

Mintos, A., & ** Jung, H.** (2013). Pre-service teachers’ opportunities to learn about equity issues in algebra. Paper presented at the Indiana Mathematics Education Symposium, Indianapolis, IN.

Mintos, A., ** Jung, H.,** & Brown, A. (2013). Preparing secondary mathematics teachers: Focus on case study. Invited speakers for Undergraduate Research Training Seminar. West Lafayette, IN.

** Jung, H.**, Mintos, A., & Newton, J. (2012). Preparing secondary mathematics teachers: Focus on contexts and modeling in algebra, Paper presented at the Hoosier Association of Mathematics Teacher Educators. Indianapolis, IN.

Newton, J., ** Jung, H.**, & Mintos, A. (2012). Integrating CCSSM into secondary mathematics teacher education programs: Opportunities and challenges, Paper presented at the Hoosier Association of Mathematics Teacher Educators. Indianapolis, IN.

** Jung, H**. (2012). International algebra teachers’ program. Paper presented at the Indiana Mathematics Education Symposium, Indianapolis, IN

** Jung, H**. & Mintos, A. (2012). Developing frameworks for preparation of algebra teachers. Paper presented at the Indiana Mathematics Education Symposium, Indianapolis, IN.

** Jung, H**., & Mintos, A. (2012). The process of developing frameworks for analyzing pre-service teachers’ opportunity to learn how to teach algebra. Poster presented at the Annual Graduate Student Educational Research Symposium, West Lafayette, IN.

Newton, J., ** Jung, H**., & Yigit, M (2011). Talking about mathematics: Strategies for improving discourse in secondary mathematics classrooms. Paper presented at the Indiana Council of Teachers of Mathematics Annual Meeting, Indianapolis, IN.

**Other Presentations (workshops, posters, panel discussions):**

** Jung, H.**,

^{u}Dobbs, T.,

^{u}Brand, S., Aguirre, A.,

^{u}Macias, A.,

^{g}Gailliot, S., &

^{g}Du. Z. (2018). Mathematical modeling experiences for students and future teachers. Poster presented at the Explorer Challenge kickoff event and celebration. Marquette University. Milwaukee, WI.

^{u}Strikwerda, S., ^{u}Park, J., ** Jung, H.,** Newton, J. (2016). Preservice teachers’ perspectives on their opportunities to learn about algebra. Poster presented at Science Division Poster Fair, Grand Rapids, MI.

** Jung, H.,** Stehr, M. E. (2016). Opportunities to lean about algebraic connections. Workshop led at the Math in Action conference, Allendale, MI.