NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Showing all 2 results
Diagnosing Teachers' Understandings of Rational Numbers: Building a Multidimensional Test within the Diagnostic Classification Framework
Peer reviewed Peer reviewed
Direct linkDirect link
Bradshaw, Laine; Izsák, Andrew; Templin, Jonathan; Jacobson, Erik – Educational Measurement: Issues and Practice, 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 the extensive mathematics education research literature on teachers' and students' reasoning in this content…
Descriptors: Middle School Teachers, Numbers, Arithmetic, Multiplication
Evaluating the Predictive Value of Growth Prediction Models
Peer reviewed Peer reviewed
Direct linkDirect link
Murphy, Daniel L.; Gaertner, Matthew N. – Educational Measurement: Issues and Practice, 2014
This study evaluates four growth prediction models--projection, student growth percentile, trajectory, and transition table--commonly used to forecast (and give schools credit for) middle school students' future proficiency. Analyses focused on vertically scaled summative mathematics assessments, and two performance standards conditions (high…
Descriptors: Prediction, Models, Achievement Gains, Middle School Students