Profile

Gülseren Akar

Department Chair
Assoc. Prof.
E-Mail: 
gulseren.akar@boun.edu.tr
Phone: 
0212 359 6901
Education: 

Post-Doctoral Studies,Mathematics Education, The Pennsylvania State University, 2007

Ph.D., Mathematics Education, The Pennsylvania State University, 2007

M.Ed., Mathematics Education,The Pennsylvania State University, 2001

B.S.,Program in Teaching Science (Mathematics Program), Middle East Technical University,1996

 

Publications: 

International and National Journals

 

2019                           Tunç-Pekkan, Z., Karagoz Akar, G. & Akçan, S. ( 2019). Uygulamada Okulda Üniversite Modeli: Öğretmen Eğitimine Katkıları, İlköğretim Online.

 

2016                            Karagöz Akar, G. (2016) Prospective secondary mathematics  teachers’ perspectives and mathematical knowledge for teaching. Eurasia Journal of  Mathematics, Science and Technology Education, 12(1), 3-24. (SSCI)

 

2015                            Karatoprak, R., Karagöz Akar, G. & Börkan, B. (2015). Prospective elementary and secondary school mathematics teachers’ statistical reasoning. International Electronic Journal of Elementary Education, 7(2), 107-124. (ERIC)

 

2014                            Karagoz Akar, G., & Şener, B. (2014). Students’ Development of The Relationship Between The Cartesian Product, Relation and The Definition of Function, International Journal of Educational Studies in Mathematics, 1 (1), 69-89. (International Refereed)

 

2010                            Simon, M., Saldanha, L., McClintock, E., Karagoz Akar, G., Watanabe, T., Zembat, I. O. (2010). A Developing approach to studying students’ learning through their mathematical activity, Cognition and Instruction, 28(1), 70-112. (SSCI)

                                   

  Karagöz Akar, G. (2010). Bir matematik öğretmeni ne bilmeli? Alan   

bilgisi ve alan eğitimi bilgisi arasındaki fark. Boğaziçi Üniversitesi Dergisi, 27(2), 33-47.  (Ulakbim)

 

International and National Book Chapters

 

2019 (Kabul edildi)     Karagoz Akar, G. (2019).  Oran, orantı kavramları ve öğretimi. Hacıömeroğlu, G., &  Tarım, K. (Editörler). Ortaokul Matematik Öğretimi Kitabı, Pegem Akademi Yayıncılık: Ankara.    

 

2016                            Karagöz Akar, G. & Çağlayan, Ş. (2016). Üçgen III, Elçi. A.N.,  Bukova Güzel, E., Cantürk, B. & Ev Çimen, E. (Editörler), Temel Matematiksel Kavramlar ve Uygulamaları- Öğrenenler ve Öğretenler İçin-,413-423, Pegem Akademi Yayıncılık: Ankara.

 

2016                            Karagoz Akar, G. (2016). Nicel muhakeme ve nicel muhakeme ile kesirler üzerinden gerçek sayıların inşası, E. Bingölbali, Arslan, S., & I.O. Zembat (Editörler), Matematik Eğitiminde Teoriler,117-133, Pegem Akademi Yayıncılık: Ankara

 

2013                            Karagoz Akar, G. (2013).Oran-orantı kavram tanımları, sasyonel sayılar içersindeki yeri ve doğrusallık kavramı ile ilişkisi. I. O. Zembat, M. F. Özmantar, E. Bingölbali, H. Şandır, ve A. Delice (Editörler), Tanımları ve Tarihsel Gelişimleriyle Matematiksel Kavramlar, 111-126, Pegem Akademi Yayıncılık: Ankara

 

2009                            Karagöz Akar, G. (2009). Oran konusunun kavramsal öğreniminde  karşılaşılan zorluklar ve çözüm önerileri, E. Bingolbali & F.M. Ozmantar (Eds.), İlköğretimde Karşılaşılan Matematiksel Zorluklar ve Çözüm Önerileri, 264-285. Pegem Akademi Yayıncılık: Ankara

PRESENTATIONS-Publications

International Conferences – Full Paper

     02/19                           Mathematical knowledge for teaching of a prospective teacher having progressive incorporation perspective.  Bukova Guzel, E., Karagoz Akar,

     G.,ÖzaltunÇelik, A., Kula Unver, S., &  Turan, N. Paper to be presented at the Congress of European Research in Mathematics Education (CERME), Utrecht, Netherlands.

02/19                           Prospective  secondary mathematics teachers’ development of Core-Practices During Methods Courses: Affordances of Quantitative Reasoning. Karagoz Akar, G., Bukova Guzel, E., & Ozel, S. Paper to be presented at the Congress of European Research in Mathematics Education (CERME), Utrecht, Netherlands.

05/18                           Re-constructing the Quadratic Roots through Quantitative Reasoning. Karagoz Akar, G., & Saraç, M. Paper presented at the Vth International Eurasian Research Congress (EJER), Antalya.

10/17                           A Prospective Secondary Mathematics Teacher’s Development of the Meaning of Complex Numbers Through Quantitative Reasoning. Saraç, M.& Karagoz Akar, G. In Galindo, E., & Newton, J., (Eds.). (2017). Proceedings of 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 Educator, 267-271.

10/17                           Effect of Quantitative Reasoning on Prospective Mathematics Teachers' Comprehension of a Proof on Real Numbers. Belin, M., & Karagoz Akar, G. In Galindo, E., & Newton, J., (Eds.). (2017). Proceedings of 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 Educator, 741-745.

 

05/17                           Prospective Mathematics Teachers’ Making Sense of the Decimal Representation of Real Numbers as Rational Number Sequences Through Quantitative Reasoning. Belin, M., & Karagoz Akar, G, Paper presented at the International Conference on Education in Mathematics, Science and Technology (ICEMST), Kuşadası, Aydın.

 

01/17                           A Conception of Between-state Ratio in Fraction Form. Karagoz Akar, G. Paper presented at the Congress of European Research in Mathematics Education (CERME), Dublin, Ireland.

 

07/16                           A Framework for Mathematics Teacher Education: Linking Teacher Perspectives to Mathematics Teaching Courses. Karagoz Akar, G. Discussion Group presented at the International Congress on Mathematical Education, Hamburg, Germany.

 

07/16                           A Journey to Integration: Promoting a Robust Conception of Integral. Kabaca, T., Delice, A. Kertil M., & Karagoz Akar, G. Paper presented at the International Congress on Mathematical Education, Hamburg, Germany.

 

01/15                           A Prospective Secondary Mathematics Teacher’s Process of Developing a Progressive Incorporation Perspective. Karagöz Akar, G., Delice, A., & Aydın, E., Paper presented at the Congress of European Research in Mathematics Education (CERME), Prag, Cek Republic.

 

04/14                           Knowledge Quartet: The Case of Prospective Secondary Mathematics Teachers. Karagoz Akar, G. Paper presented at the International Eurasian Educational Research Congress, Istanbul, Turkey.

 

10/11                           Prospective secondary mathematics teachers’ realization of the logico-mathematical activity through analysis of a case study. Karagoz Akar, G . In Wiest, L.R. & Lamberg, T.D. (Eds.) Proceedings thirty-third annual meeting of The North American Chapter of the International Group for the Psychology of Mathematics Education, pp. 1325-1332. Nevada, Reno. 

 

10/10                           Different Levels of Reasoning in Within State Ratio Conception and the Conceptualization of Rate: A Possible Example. Karagoz Akar, G. In Brosnan, P., Erchick, D.B., & Flevares, L. (Eds.),  Proceedings of the thirty-second annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (PMENA), Volume 6, pp. 711-720. Columbus, Ohio: The Ohio State University.

 

07/09                           Conceptions of Between-ratios and Within-ratios. Karagoz Akar, G. In Tzekaki, M., Kaldrimidou, M. & Sakonidis, H. (Eds.) Proceedings of the thirty- third annual meeting of the International Group for the Psychology of Mathematics Education, Thessaloniki: Greece, Vol. 1, pp. 326. Mougos.

 

10/07                           Students’ Learning through their own Activity: Toward a Basis for a Scientific Approach to Task Design and Sequencing. Simon, M.A., Saldanha, L. McClintock, E., Karagoz Akar, G., Watanabe, T., Zembat, I.O, In Lamberg, T., & Wiest, L.R. (Eds.) Proceedings of the Twenty Ninth Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, Vol. 1, 55-62, Stateline   (Lake Tahoe), NV: University of, Reno, USA.

10/05                           Characterizing the depth of prospective secondary mathematics teachers’ knowledge. Sullivan, P., Heid, M.K., & Karagoz Akar, G. Lloyd, G. M., Wilson, M., Wilkins, J. L. M., & Behm, S. L. (Eds.). (2005). Proceedings of the 27th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, 1039-1046, Virginia Tech, USA.

 

 

Theses Directed: 

01/12-(completed)        Mine Doğucu: The Relationship Between Mathematics Teachers’ Probability Approaches and Misconceptions

 

07/14 (completed)        Rabia Öztoprak: Assessing Preservice Teachers’ Statistical Reasoning

 

08/16-(completed)        Merve Saraç:  A Prospective Teacher's Developing the Meaning of the Cartesian form of Complex Numbers

 

08/16-(completed)        Mervenur Belin: Prospective Mathematics Teachers’ Quantitative Reasoning on the Development of Decimal Representation of Real Numbers and Its

    Effect on Their Performance on a Related Proof Comprehension Test

 

01/12-present               Damla Öztelli: Non-routine Problem Solving Process of Turkish Mathematically Gifted Students

01/14- present              Şinasi Çağlayan: The Effect of Quantitative Reasoning on Solving Quadratic Equations

 

01/15-present               Ayten Öykü Okumuş: The Effects of Quantitative Reasoning on Preservice Mathematics Teachers' Beliefs

 

      01/16-present                Jale Günbak: Investıgatıng Mathematics Teacher Educators’ Subject Matter Knowledge for Teachıng Informal Lıne of Best Fıt

 

01/16-present               Deniz Tekin: Developing Multiplication of Complex Numbers Meaningfully

                                  

01/18-present               Kübra Yıldırım: The Noticing Skills of Novice Mathematics Teachers with Different Perspectives

 

01/18-present               Nurdan Turan:  Determining Pre-service Mathematics Teachers’ Mathematical Knowledge for Teaching Levels Regarding to Their Experiences

    about Quantitative Reasoning 

 

 

 

Research Projects: 

2017-2019                    Ortaöğretim Matematik Öğretmeni Adaylarına Etkin Matematik Öğretimi İçin İlerlemeci Bakış Açısı Kazandırılması

                                      (Project Manager, PI), Bogazici University Research Fund, BU-BAP-11220

 

05/11-11/12                  Matematik Ögretmeni Adaylarının Matematiği Kavramsal olarak

      Öğretme Mekanizmasını Kavramsal olarak Ögrenmeleri

                                  (Project Manager, PI) Bogazici University Research Fund, BU-BAP-6004

 

 

 

Memberships: 

ASSOCIATE EDITOR

Eurasian Journal of Educational Research (EJER)

Journal for Research in Mathematics Education (JRME)  (International Board Member)

 

 

Talks / Presentations: 

International Conferences

 

06/15                           A Comparison of Prospective Elementary and Secondary School Mathematics Teachers’ Statistical Reasoning. Karatoprak, R., Karagoz Akar, G., & Börkan, B., Paper presented at the International Eurasian Educational Research  (EJER) Congress , Ankara, Turkey.

 

     04/15                            Progressive Incorporation Perspective and Mathematical Knowledge in

Teaching: The Case of Prospective Secondary Mathematics Teachers. Karagoz Akar, G., Paper presented at the International Conference on Education in Mathematics, Science and Technology (ICEMST), Antalya, Turkey.

 

05/14                           Turkish Version of Statistical Reasoning Assessment (SRA). Karatoprak, R., Karagoz Akar, G.,  Paper presented at the International Conference on Education in Mathematics, Science and Technology (ICEMST), Konya, Turkey.

 

05/13                           Development of the Components of Effective Mathematics Teaching: The Case of Classroom Practices. Karagoz Akar, G., Delice, A., & Aydın E., Paper presented at New Issues on Teacher Education International Symposium-ISNITE2013, Hacettepe Universitesi, Ankara, Turkey.

 

09/11                           Understanding of average rate, constant rate, instantaneous rate and their relationship with differentiation: An application with TI83+ Calculator. Karagoz Akar, G. Paper presented at the sixteenth annual meeting of the Asian Technology Conference of Mathematics, Abant, Bolu.

 

10/04                           The Relationships Among Informal Strategies Students Use in Solving Problems in Proportional Situations.  Poster presented at twenty-sixth  annual meeting of the International Group for the Psychology of Mathematics Education (PME), Toronto, Canada.

 

 

National Conferences/Symposiums   

 

05/15                           Olanaklı Durumlar Hesabı: İse ile Ancak ve Ancak Bağlaçlarının Kavramsallaştırılması. Şener, B., & Karagoz Akar, G., Paper presented at the First Türk Bilgisayar ve Matematik Eğitimi Symposium (BİLMAT), Adıyaman, Turkey

 

09/14                           Öğretmen Yetiştirmede Yeni Eğilimler, Etkin Matematik Öğretimi: Metod ve Staj Derslerinde Uygulamadan Kurama Doğru. Karagoz Akar, G., Delice, A., & Aydın, E., Mini Symposium at the 11. Ulusal Fen Bilimleri ve Matematik Eğitimi Kongresi, Adana, Turkey.

 

06/13                              Tasarım Deneyi (Desing Experiment) bağlamında öğretmen yetiştirme programına etkinlik entegrasyonu. Karagöz Akar, G., Delice, A., Aydin, E. Çalıştay at the at the First Türk Bilgisayar ve Matematik Eğitimi Symposium (BİLMAT), Trabzon, Turkey

 

09/12                              Kağıt katlama ve Geogebra kullanarak üçgende açıortay öğretimi. Aksen, M., Karagöz Akar, G. Paper presented at 11th  Matematik Sempozyumu of Matematikçiler Dernegi (MAT-DER), 2012, Samsun, Turkey

 

09/12                              Fonksiyon tanımının Geogebra yardımıyla grafikler üzerinden yapılandırılması. Şener, B., Karagöz Akar, G. Paper presented at 11th  Matematik Sempozyumu of Matematikçiler Dernegi (MAT-DER), 2012, Samsun, Turkey

 

09/12                              Kartezyen çarpım-bağıntı-fonksiyon kavramlar arası ilişkiler ve farklılıkları değerlendirme çalışması ve Geogebra etkinlikleri. Şener, B., Karagöz-Akar, G., Paper presented at 11th  Matematik Sempozyumu of Matematikçiler Dernegi (MAT-DER), 2012, Samsun, Turkey