Aydın, Utkun
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aydinu@mef.edu.tr
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06.02. Department of Mathematics and Science Education
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195
| Journal | Count |
|---|---|
| 12. Ulusal Fen Bilimleri ve Matematik Eğitimi Kongresi. Karadeniz Teknik Üniversitesi, Trabzon. | 1 |
| 12. Ulusal Fen Bilimleri ve Matematik Eğitimi Kongresi. UFBMEK 2016 | 1 |
| 13th International Congress on Mathematical Education [ICME] | 1 |
| 2015 World Conference on Technology, Innovation and Entrepreneurship | 1 |
| Educational Assessment | 1 |
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Article Conceptual and Procedural Angle Knowledge: Do Gender and Grade Level Make a Difference?(CIMT, 2018) Aydın, UtkunThe study examined differences in students’ conceptual and procedural knowledge of angles among two grades and gender. Participants were 382 sixth and 376 seventh graders from a metropolitan city in Turkey. Turkish students’ conceptual and procedural knowledge of angles declined from sixth to seventh grade. Gender differences were found for procedural knowledge, but not for conceptual knowledge. Since conceptual and procedural knowledge of angles may have significant influences on the essential subsequent topics in geometry, we need to seriously consider the implications of these gender- and grade-related differences and pay attention particularly to males in Grade 7. The patterns of Turkish students’ conceptual and procedural angle knowledge were discussed, and educational implications were offered.Conference Object Academicians as Teachers: Nurturing Teaching Experience(2016) Tunç-Pekkan, Zelha; Taylan, Rukiye Didem; Birgili, Bengi; Aydın, Utkun; Özcan, MustafaFour academicians volunteered to teach 5th grade mathematics for one year in a Turkish public school. Academicians met every week for 40 weeks where they discussed what to teach, how to teach and reflected on implementation of their shared planning. Videotapes of first six Regular Meetings and six weeks of Research Meetings were analyzed. The focus of qualitative analyses was on how the knowledge of teaching was constructed differently in those two settings. References evidencing academician teachers’ knowledge of students, instructional strategies and assessment were found to occur more frequently during the Research Meetings compared to Regular Meetings. Academicians discussed more frequently what questions to ask in the classroom and exchanged comments about students’ thinking with more evidence. Using learning theories and framing planning and reflection discussions with a focus on research appeared to be a productive way of nurturing teaching experiences of academicians as teachers.Article Citation - WoS: 5Citation - Scopus: 5Impacts of a University-School Partnership on Middle School Students' Fractional Knowledge: a Quasiexperimental Study(Taylor & Francis, 2018) Tunç-Pekka, Zelha; Özcan, Mustafa; Birgili, Bengi; Taylan, Rukiye Didem; Aydın, UtkunIn this quasiexperimental study, the authors investigated the effects of university within school partnership model, within which faculty members acted as teacher-researchers to improve fractional knowledge among middle school (Grades 5–8) students. Students in nine Grade 6 mathematics classes from two public middle schools in Turkey were assigned to two conditions: University within school model instruction and traditional instruction. Pre- and posttest data showed that the students exposed to instruction through the university within school partnership model significantly outperformed their traditional instruction peers on the fractions test. Results indicated that students made significant gains in fractional knowledge in the experimental classrooms and in different subgroup populations. It was suggested that a substantial amount of mathematical infusion through partnership could have a positive impact on middle school students' fractional knowledge. The educational implications of the study were also discussed.Conference Object Investigating Fifth-Grade Students’ Conceptions of Fractions on the Number Line(NCTM Research ConferenceAt: San Francisco, 2016) Taylan, Rukiye Didem; Tunc-Pekkan, Zelha; Aydın, Utkun; Birgili, Bengi; Özcan, MustafaIn this study, clinical interviews focusing on students’ understanding of fractions as numbers on the number line were conducted with six fifth-grade students both before and after an intervention designed by teacher-researchers. Although in general students demonstrated improved understanding of fraction concepts even in situations requiring reversible thinking, difficulties in finding benchmarks on the number line and a limited awareness of density of fractions on the number line persisted among students.Article Citation - Scopus: 3Assessing Mathematical Higher-Order Thinking Skills: an Analysis of Turkish University Entrance Examinations(Routledge, 2023) Aydın, Utkun; Birgili, BengiInternationally, mathematics education reform has been directed toward characterizing educational goals that go beyond topic/content/skill descriptions and develop students’ problem solving. The Revised Bloom’s Taxonomy and MATH (Mathematical Assessment Task Hierarchy) Taxonomy characterize such goals. University entrance examinations have been seen as one way of accomplishing these goals and influence learning, teaching, and assessment in mathematics. The present study analyzed mathematics items (N = 1077) in Turkish university entrance examinations in 1998-2013 and objectives (N = 621) in mathematics curricula in 2005, 2011, and 2013 to determine the extent to which they represent the dimensions/categories of these taxonomies and the degree to which items are aligned with objectives in terms of reflecting the dimensions/categories of these taxonomies. The findings reveal that the items demand, to a large extent, automated computational skills; this is also evident in the relevant mathematics curricula. Implications for practice are discussed and could play a role in reforming assessment. © 2023 The Author(s). Published with license by Taylor & Francis Group, LLC.Article Citation - WoS: 8Citation - Scopus: 10The Thinking-About Test for Undergraduate Students: Development and Validation(2015) Ubuz, Behiye; Aydın, UtkunTwo studies were conducted for the development and validation of a multidimensional test to assess undergraduate students' mathematical thinking about derivative. The first study involved two phases: question generation and refinement of the Thinking-about-Derivative Test (TDT). The second study included four phases as follows: test administration, generalizability analysis, confirmatory factor analysis, and subgroup validity analysis. Findings suggested that the 30-item multiple-choice TDT, which comprises 6 mathematical thinking aspects, enactive, iconic, algorithmic, algebraic, formal, and axiomatic thinking, demonstrates acceptable levels of reliability and validity. Followed by additional cross-validation studies, the TDT may be a useful tool for mathematics education researchers and mathematicians. Directions for future research and implications for educational practice are discussed.Book Part Conference Object Okulda Üniversite Modeli-temelli Öğretimin 5. Sınıf Öğrencilerinin Kesir Bilgisini Geliştirme Üzerine Etkisi(2016) Aydın, Utkun; Tunç-Pekkan, Zelha; Rukiye Didem, Taylan; Birgili, Bengi; Özcan, MustafaBu çalışmanın amacı, üniversite-okul işbirliği kapsamında uygulanan, öğretim üyelerinin öğretmenaraştırmacı olarak rol aldığı, Okulda Üniversite Modeli temelli öğretimin 5. sınıf öğrencilerinin kesir bilgisinin geliştirilmesi üzerine etkisini araştırmaktır. Bu amaçla ölçme aracı olarak araştırmacılar tarafından geliştirilen çoktan seçmeli Kesirler Testi kullanılmıştır. Araştırmaya 2014-2015 eğitim-öğretim yılında İstanbul ili, Sarıyer ilçesi’nde bulunan 2 devlet ortaokulunda öğrenim gören 220 beşinci sınıf öğrencisi (112 deney, 108 kontrol) katılmıştır. Yarı deneysel çalışmada yöntem olarak öntest-sontestkontrol gruplu desen kullanılmıştır. Grupların eşdeğer seviyede olup olmadığını belirlemek amacıyla Kesirler Testi öntest olarak deney ve kontrol gruplarına uygulanmış ve grupların istatistiksel olarak eşdeğer seviyede oldukları tespit edilmiştir. Daha sonra deney gruplarındaki öğrencilerin sınıflarında matematik dersleri Okulda Üniversite Modeli-temelli öğretim araştırmacılar tarafından gerçekleştirilirken kontrol gruplarında da geleneksel öğretim matematik öğretmenleri tarafından gerçekleştirilmiştir. Deneysel uygulamadan sonra, Kesirler Testi sontest olarak bütün gruplara uygulanmıştır. Bu çalışmanın sonuçlarına göre, Okulda Üniversite Modeli-temelli öğretimin geleneksel öğretime göre beşinci sınıf öğrencilerinin kesir bilgilerine istatistiksel olarak anlamlı bir etkisi vardır. Bu sonuç bağlamında üniversite-okul işbirliğinin matematik eğitimi ve öğretimine önemli katkı sağladığı önerilmektedir. Çalışmanın eğitimsel uygulamaları tartışılmıştır.Conference Object The Effect of University Within School Model-Based Instruction on 5th Grade Students’ Achievement in Fractions(2016) Aydın, Utkun; Birgili, Bengi; Tunç-Pekkan, Zelha; Taylan, Rukiye Didem; Özcan, Mustafa...Article Citation - Scopus: 9Çocuklarda Sınav Kaygısı Ölçeği'nin Türkçe Uyarlaması(İlköğretim Online, 2017) Bulgan, Gökçe; Aydın, UtkunThe purpose of this study was to adapt the “Children’s Test Anxiet Scale (CTAS)” developed by Wren and Benson (2004) into Turkish. The original scale was in English and comprised of three factors including 30 items. Seven experts were involved in the adaptation process to translate the scale into Turkish and then back to English for providing evidence based on the consistency between the two forms. Following the translation process, a pilot study was conducted and the scale was given its final form. The Turkish form was administered to 1100 students who were attending to 3rd, 4th, 5th, and 6th grade classes in 3 public schools. Findings regarding the construct validity of the scale, which were obtained from the confirmatory analysis, supported the three-factor structure of the original scale. Subdimensions of the scale were Thoughts, Off-Task Behaviors, and Autonomic Reactions. Cronbach Alpha coefficients for the overall scale (???= .88) as well as the subdimensions of Thoughts (???= .82), Off-Task Behaviors (???= .72), and Autonomic Reactions (???= .75) were substantial in size. Regarding the discriminant validity analyses, there were no significant gender differences in students’ test anxiety while there were significant grade level differences. These results demonstrated that the Turkish version of the scale is a valid and reliable instrument, which may serve as useful in measuring elementary school students’ test anxiety levels. Directions for future research and practical implications for educational practice are discussed in terms of mathematics education.
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