Leveraging psychometric isomorphism in assessment development
by Katie L. Kunze; Roy Levy; Vandhana Mehta
International Journal of Quantitative Research in Education (IJQRE), Vol. 5, No. 1, 2020

Abstract: Two studies were conducted to examine ways in which isomorph item families can aid in the creation of exam forms and the assessment of student learning. Methods for selecting isomorph item families for specific uses are described. Study 1 examined the use of isomorphs on high-stakes final exam forms. Study 2 explored using isomorphs for lower-stakes comparisons between pre-tests and post-tests. Results of this work highlight the benefits of using isomorph item families and provide implications for both operational assessments in the Cisco Networking Academy Program, where this work takes place, and for the assessment community at large.

Online publication date: Wed, 15-Apr-2020

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