“... particulate concepts in 492 high school students. The instruments was based on literature reviews, clinical...”
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“... students from grade 10 to 12. Totally 903 students completed the tests, The instruments used...”
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“... and reasonings of electrochemistry, a paper and pencil test was conducted in this research. 　　The instrument...”
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“... and misconceptions of density, two instruments were used in this study which included a kind of diagnostic paper...”
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