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Holme, Thomas; Murphy, Kristen – Journal of Chemical Education, 2011
In 2005, the ACS Examinations Institute released an exam for first-term general chemistry in which items are intentionally paired with one conceptual and one traditional item. A second-term, paired-questions exam was released in 2007. This paper presents an empirical study of student performances on these two exams based on national samples of…
Descriptors: Chemistry, Science Tests, College Science, Undergraduate Students