Browsing by Author "Jacobson, Erik"

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Diagnosing Teachers’ Understandings of Rational Numbers : Building a Multidimensional Test Within the Diagnostic Classification Framework

Bradshaw, Laine; Izsák, Andrew; Templin, Jonathan; Jacobson, Erik (National Council on Measurement in Education, 2014)

We report a multidimensional test that examines middle grades teachers’ understanding of fraction arithmetic, especially multiplication and division. The test is based on four attributes identified through an analysis of ...