Jale ÇAKIROĞLU, Ceren TEKKAYA, Nihal DOĞAN

Sinir Sistemi Konusunun Kavram Çarkı ile Öğretimi

Bu çalışmanın amacı, kavram çarkının, lise ikinci sınıf öğrencilerinin sinir sistemi konusunu anlamalarına etkisini, geleneksel öğretim yöntemiyle karşılaştırarak incelemektir. Araştırma aynı öğretmenin iki ayrı sınıfından toplam 60 öğrenci ile yapılmıştır. Öğrencilerin konu hakkındaki bilgileri Sinir Sistemi Basan Testi ile ölçülmüştür. Bu test, deney ve kontrol olarak ikiye aynlan gruplara öntest ve sontest olarak uygulanmıştır. Deney grubundaki öğrenciler (n=30) dersi geleneksel öğretim ile birlikte kavram çarkı kullanarak işlerken, kontrol grubunda (n=30) sadece geleneksel öğretim yöntemi kullanılmıştır. Ayrıca, öğrencilerin biyoloji dersine yönelik tutumları da incelenmiştir. Veriler çift yönlü kovaryans analizi kullanılarak hesaplanmış, öğrencilerin biyoloji dersine yönelik tutumları ve öntest puanları ortak değişken olarak atanmıştır. Deney grubundaki öğrencilerin, kontrol grubundaki öğrencilere göre daha iyi bir performans gösterdiği saptanmıştır.

Teaching the Nervous System with Roundhouse Diagram

This study investigated the effectiveness of roundhouse diagram as a teaching strategy on students' understanding of nervous system. Students' conceptual understanding of nervous system was measured using the Nervous System Achievement Test developed by the researchers. The test was administered as pretest and posttest to a total of 60 tenth-grade students in two intact classes of the same high school located in an urban area. The experimental group was a class of 30 students received roundhouse diagram based instruction. A class of 30 students comprised the control group received a traditional instruction. This study also interested in determining the students' attitudes towards biology. Attitude towards biology and pretest scores were used as covariate in this study. Analysis of covariance (ANCOVA) showed a statistically significant difference between the experimental and control groups in the favour of experimental group after treatment.

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