Thesis Supervision (Ph.D.)

• Şahin, Z. (2015). Cognitive analysis of students’ learning of trigonometry in dynamic geometry environment: a teaching experiment (Unpublished doctoral dissertation). Middle East Technical University, Ankara, Turkey

• Öcal, F. (2014). Students’ intuitively-based misconceptions in probability: Teachers’ awareness and teaching practices in middle and high schools. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)
  

• Korkmaz, H. (2014). An investigation of prospective secondary mathematics teachers’ thinking about mathematical modeling and pedagogy of modeling throughout a modeling course. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)

• Kertil, M. (2014). Pre-service elementary mathematics teachers’ understanding of derivative through a model development unit. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)
  

• Didiş, G. (2014). An investigation of pre-service secondary mathematics teachers’ knowledge of students’ thinking through analyzing student work. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)

• Baş, S. (2014). An investigation of teachers’ noticing of students’ mathematical thinking in the context of a professional development program. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)

• Oktay, M. (2013). Assessment of preservice mathematics teachers’ knowledge for teaching statistics. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)
  

• Hatısaru, V. (2013). Teachers’ knowledge of content and students about the function concept and its interrelation with student learning outcomes in vocational high schools. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)
  

• Çelebi-İlhan, G. (2013). Teacher learning in and from practice: The case of a secondary mathematics teacher. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)
  

• Şen-Zeytun, A. (2013). An investigation of prospective teachers’ mathematical modeling processes and their views about factors affecting these processes. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as co-advisor. Advisor: Dr. Bülent Çetinkaya)
  

• Aydoğan-Yenmez, A. (2012). An investigation of in-service secondary mathematics teachers’ evolving knowledge through professional development activities based on modeling perspective. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)
  

• Baş, S. (2012). The Contribution of personality, motivation, academic risk-taking, and metacognition to the creative ability in mathematics. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as advisor)
  

• Kapucu, S. (2012). Physics teachers' beliefs related Turkish high school physics curriculum: a multiple case study. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (with co-advisor: Dr. Ufuk YILDIRIM)
  

• Özgeldi, M. (2012). Middle school mathematics teachers' use of textbooks and integration of textbook tasks into practice: a mixed methods study. Unpublished doctoral dissertation, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as co-advisor. Advisor: Dr. Erdinç Çakıroğlu)
  

Thesis Supervision (M.Sc.)

• Geçen, B. (2016). Mathematics in context: an ethnographic study with middle school students working as street-marketers, barbers, and bakers (Unpublished master's thesis). Middle East Technical University, Ankara, Turkey.

• Kol, M. (2014). An investigation of pre-service mathematics teachers’ mathematizing during a mathematical modeling task. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey.
  

• Yılmaz, N. (2014). A comparative analysis of mathematics teacher content knowledge examinations in Turkey and Texas. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey.
  

• Kaplan, M. (2011). The use of graphing calculators in mathematics education: Views of pre-service teachers. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. (Erbas, A. K. as co-advisor)

• Özdoğan, S. (2010). A comparative analysis of perimeter, area and volume topics in the selected sixth, seventh and eight grades mathematics textbooks from Turkey, Singapore and the United States. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

• Boyraz, Ş. (2008). The effects of computer based instruction on seventh grade students’ spatial ability, attitudes towards geometry, mathematics and technology. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

• Erek, G. (2008). Using technology in preventing and remedying seventh grade students’ misconceptions in forming and solving linear equations. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

• İnce, M. (2008). Students’ learning of quadratic equations through use of interactive whiteboard and graphing software. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

• Onür, Y. (2008). Effects of graphing calculators on eight grade students’ achievement in graphs of linear equations and concept of slope. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

• Okur, S. (2008). Students’ strategies, episodes and metacognitions in the context of PISA 2003 mathematical literacy items. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

• Aydoğan, A. (2007). The effect of dynamic geometry use together with open-ended explorations in sixth grade students’ performances in polygons and similarity and congruency of polygons. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

• Ulubay, M. (2007). A survey of teachers’ implementations of new elementary school mathematics curriculum in sixth grade. Unpublished master's thesis, Middle East Technical University, Ankara, Turkey. [pdf]

Dissertation Committees Served