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Series

Educational Assessment, Evaluation, and Research

2012

Chemistry Publications

Articles 1 - 3 of 3

Full-Text Articles in Education

Investigating Factors That Influence Item Performance On Acs Exams, Jacob Schroeder, Kristen L. Murphy, Thomas Holme Jan 2012

Investigating Factors That Influence Item Performance On Acs Exams, Jacob Schroeder, Kristen L. Murphy, Thomas Holme

Chemistry Publications

General chemistry tests from the Examinations Institute of the Division of Chemical Education of the American Chemical Society have been analyzed to identify factors that may influence how individual test items perform. In this paper, issues of item order (position within a set of items that comprise a test) and answer order (position of correct answer relative to incorrect distractors) are discussed. Answer order is identified as potentially important, particularly for conceptually based items. When the correct answer appears earlier among the answer choices, there is some greater propensity for student performance to be better. Item-order effects are also possible ...


Building The Acs Exams Anchoring Concept Content Map For Undergraduate Chemistry, Kristen L. Murphy, Thomas Holme, April Zenisky, Karen Knauss Jan 2012

Building The Acs Exams Anchoring Concept Content Map For Undergraduate Chemistry, Kristen L. Murphy, Thomas Holme, April Zenisky, Karen Knauss

Chemistry Publications

The ability to coherently assess content knowledge throughout an entire undergraduate career represents a significant advantage for programmatic assessment strategies. Chemistry, as a discipline, has an unusual tool in this regard because of the nationally standardized exams from the ACS Exams Institute. These exams are norm-referenced and allow chemistry departments to make comparisons between the performance of their own students relative to national samples; however, currently there appears to be no systematic means for noting students’ content knowledge growth over a four-year degree. The Exams Institute is undertaking the task of organizing content along an anchoring concept or “big ideas ...


The Acs Exams Institute Undergraduate Chemistry Anchoring Concepts Content Map I: General Chemistry, Thomas Holme, Kristen L. Murphy Jan 2012

The Acs Exams Institute Undergraduate Chemistry Anchoring Concepts Content Map I: General Chemistry, Thomas Holme, Kristen L. Murphy

Chemistry Publications

To provide tools for programmatic assessment related to the use of ACS Exams in undergraduate chemistry courses, the ACS Exams Institute has built a content map that applies to the entire undergraduate curriculum. At the top two levels, the grain size of the content classification is large and spans the entire undergraduate curriculum. At the bottom two levels, the grain size of the content is more fine and tuned to specific course levels of the curriculum. This paper presents all four levels of the map as identified for first-year general chemistry.