Benzeşimlerle öğretim modelinin 9. sınıf öğrencilerinin kimyasal bağlar konusundaki kavramsal anlamaları üzerine etkisi

Bu çalışmanın amacı, 9. sınıf öğrencilerinin kimyasal bağlar konusunu anlamalarında benzeşimlerle öğretim modelinin etkisini incelemektir. Öntest-sontest kontrol gruplu yarı deneysel desenin kullanıldığı bu çalışmada; dersler aynı öğretmenin yürüttüğü iki sınıfta 48 öğrencinin katılımıyla gerçekleştirildi. Kimyasal bağlar konusu deney grubunda benzeşimlerle öğretim modeli, kontrol grubunda ise geleneksel öğretim yaklaşımına dayalı düz anlatım modeli ile işlendi. Elde edilen veriler t-testi ve ANCOVA istatistiksel teknikleriyle analiz edildi. Benzeşimlerle öğretim modelinin öğrencilerin kimyasal bağlar konusunu anlamalarında düz anlatım modeline göre daha etkili olduğu tespit edildi. Bunun yanında ön bilgileri ve mantıksal düşünme yetenekleri daha fazla olan öğrencilerin kimyasal bağlar konusunu daha iyi anladıkları belirlendi.

The effect of teaching with analogies model on conceptual understanding of $9^{th}$ grade students’ chemical bonding concepts

The purpose of this study is to examine the effect of teaching with analogies model on how 9th grade students understand chemical bonds. This study in which pre-posttest quasi-experimental design were used was conducted in two different classes consisting of 48 students with the same teacher. The subject matter chemical bond was covered on the basis of teaching with analogies model the experimental group while it was covered on the basis of traditional teaching approach in the control group. The data gained was analyzed using t-test and ANCOVA statistical techniques. That the teaching with analogies model was more effective than traditional teaching approach in teaching chemical bonds was found out. In addition to that, it was also found out that the students whose prior knowledge and logical thinking abilities are greater are better at understanding chemical bonds.

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