Özet:

The purpose of this study was to adapt test of scientific argumentation, developed by Frey, Ellis, Bulgren, Hare & Ault (2015). 222 undergraduate students studied at Science education department, 350 high school students and 321 middle school students was participated in this study. Reliability KR-20 value of adapted test was .78 for undergraduate students, .68 for high school students and .74 for middle school students. Results of test and item analysis showed that item discrimination indexes of 29-item test of Scientific Argumentation varies between .21 and .60 for undergraduate students. Item difficulty indexes of 29-item test vary between .31 and .85 for undergraduate students. Results of test and item analysis showed that item discrimination indexes of 28-item test of Scientific Argumentation varies between .19 and .49 for high school students. Item difficulty indexes of 28-item test vary between .35 and .92 for high school students. Results of test and item analysis showed that item discrimination indexes of 30-item test of Scientific Argumentation varies between .21 and .61 for middle school  students. Item difficulty indexes of 30-item test vary between .33 and .76 for middle school students. In the light of these results, reliable and valid test of scientific argumentation was adapted into Turkish for undergraduate students, high school students and middle school students.

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