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Xin Wei; Susu Zhang – Journal of Learning Disabilities, 2024
This study analyzed performance, process, and survey data of eighth graders with learning disabilities (LDs) who took the 2017 National Assessment of Educational Progress (NAEP) digital math test. Compared with students with LDs who did not receive extended time accommodations (ETAs), students with LDs who received and used ETA scored…
Descriptors: Grade 8, Middle School Students, Learning Disabilities, Students with Disabilities
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Peterson, Robin L.; McGrath, Lauren M.; Willcutt, Erik G.; Keenan, Janice M.; Olson, Richard K.; Pennington, Bruce F. – Journal of Learning Disabilities, 2021
Despite historical emphasis on "specific" learning disabilities (SLDs), academic skills are strongly correlated across the curriculum. Thus, one can ask how specific SLDs truly are. To answer this question, we used bifactor models to identify variance shared across academic domains (academic "g"), as well as variance unique to…
Descriptors: Learning Disabilities, Elementary School Students, Secondary School Students, Clinical Diagnosis