Öz
Bu çalışmanın amacı, üstün yetenekli öğrencilerin bir matematiksel ifadeye dair hem doğrulayan hem de çelişen örneklerle karşılaştıklarında matematiksel akıl yürütme biçimlerini ele almaktır. Bu amaçla çalışma, öğrencilerin doğrulayan ve çelişen örnekler oluşturabilecekleri matematiksel ifadeler ile karşılaştıktan sonra geliştirdikleri örnek, genelleme ve argüman türlerini araştırmayı hedeflemektedir. Bilim ve Sanat Merkezi'nde eğitim gören sekiz öğrenci, yarı yapılandırılmış bireysel görüşmelere katılmak üzere gönüllü olmuştur. Çalışmanın bulguları, önerilen örnek türlerinin ve önerilme amaçlarının öğrenciler arasında farklılık gösterdiğini ortaya koymuştur. Öğrenci akıl yürütmesini araştıran çalışmalar, öğrencilerin kanıt şemalarının öğrencilerin matematiksel bir genellemenin geçerliliği için yeterli kabul ettiği örnek uzaya dair mevcut görüşlerini yansıttığını önermektedir. Bu çalışma ise öğrenciler tarafından matematiksel ifadelerin doğruluğunu araştırmak için oluşturulan örnek türlerinin, aynı zamanda öğrencilerin oluşturduğu genelleme ve argüman türleri hakkında bilgi verici olduğunu göstermiştir.
Anahtar Kelimeler: Genelleme, Gerekçelendirme, Matematiksel akıl yürütme, Örnek, Özel yetenekli öğrenciler
Kaynakça
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