Budi Astuti, - Developing an instrument of scientific literacy assessment to measure natural science teacher candidates in force subject. Journal of Physics: Conference Series.

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Abstract

The aim of this study to develop an instrument of scientific literacy assessment that tested its validity, reliability, characteristics, and described the skills of natural science teacher candidates, consist of three aspects based on PISA 2015 as follow: cognitive, competence, and affective aspect. The subjects are 2 nd semester natural science teacher candidates at Universitas Negeri Semarang. Test validity has been done by the content, construct, and concurrent validity. Test reliability has been done by calculating a reliability coefficient “r”. Characteristics tested by determining the level of difficulty and distinguishing features. Profile of scientific literacy skills is determined by measuring natural science teacher candidates’ mastery of scientific literacy. The result of a reliability test is the value of “r” is 0.71 in high category. Validity test results showed that the instrument fulfils the content, construct and the concurrent validity with very valid category and strong validity. The characteristics of developing an instrument assessment showed that the instrument has a level of difficulty that the proportion is 26.7%. The result of distinguish analysis obtained 56.7% of the items with the good quality. Profile of scientific literacy skills showed that the cognitive and competency aspect of natural science teacher candidates is very low and the affective aspect is good.

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