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ERIC Number: EJ896758
Record Type: Journal
Publication Date: 2010-Oct
Pages: 24
Abstractor: As Provided
Reference Count: 52
ISBN: N/A
ISSN: ISSN-1571-0068
Using Item Response Theory to Conduct a Distracter Analysis on Conceptual Inventory of Natural Selection
Battisti, Bryce Thomas; Hanegan, Nikki; Sudweeks, Richard; Cates, Rex
International Journal of Science and Mathematics Education, v8 n5 p845-868 Oct 2010
Concept inventories are often used to assess current student understanding although conceptual change models are problematic. Due to controversies with conceptual change models and the realities of student assessment, it is important that concept inventories are evaluated using a variety of theoretical models to improve quality. This study used a modified item response theory model to determine university nonmajor biology students' levels of understanding of natural selection (n = 1,192). Using Conceptual Inventory of Natural Selection, we have reported how we applied Bock's modified nominal item response theory model and the distracter test item analysis. We found that the use of this model can define student levels of understanding and identify problematic distracters.
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Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A