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Download full textMatlen, Bryan J.; Richland, Lindsey E.; Klostermann, Ellen C.; Lyons, Emily – Grantee Submission, 2018
Mathematical problem solving typically involves manipulating visual symbols (e.g., equations), and prior research suggests that those symbols serve as diagrammatic representations (e.g., Landy & Goldstone, 2010). The present work examines the ways that instructional design of student engagement with these diagrammatic representations may…
Descriptors: Visual Aids, Mathematics Instruction, Instructional Effectiveness, Incidence
Toker, Turker; Green, Kathy – Online Submission, 2012
The least squares distance method (LSDM) was used in a cognitive diagnostic analysis of TIMSS (Trends in International Mathematics and Science Study) items administered to 4,498 8th-grade students from seven geographical regions of Turkey, extending analysis of attributes from content to process and skill attributes. Logit item positions were…
Descriptors: Foreign Countries, Least Squares Statistics, Grade 8, Mathematics Tests
