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Direct linkLiu, Chunhui; Xin, Ziqiang; Lin, Chongde; Thompson, Clarissa A. – Educational Psychology, 2013
Researchers debate whether one represents the magnitude of a fraction according to its real numerical value or just the discrete numerosity of its numerator or denominator. The present study examined three effects based on the notion that people possess a mental number line to explore how children represent fractions when they compare fractions…
Descriptors: Cognitive Processes, Comparative Analysis, Arithmetic, Grade 6
Koon, Sharon – ProQuest LLC, 2010
This study examined the effectiveness of the odds-ratio method (Penfield, 2008) and the multinomial logistic regression method (Kato, Moen, & Thurlow, 2009) for measuring differential distractor functioning (DDF) effects in comparison to the standardized distractor analysis approach (Schmitt & Bleistein, 1987). Students classified as participating…
Descriptors: Test Bias, Test Items, Reference Groups, Lunch Programs
Wolff, Ulrika – International Journal of Disability, Development and Education, 2009
The prevalence of phonological and surface dyslexia subtypes among Swedish university students with dyslexia (n = 40) was examined using both the regression method, developed by Castles and Coltheart, and latent profile analysis. When an academic-level control group was used as a reference group in a regression, eight students with phonological…
Descriptors: Control Groups, Reference Groups, Dyslexia, Profiles
