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Wei, Xin; Lenz, Keith B.; Blackorby, Jose – Remedial and Special Education, 2013
This study examined math growth trajectories by disability category, gender, race, and socioeconomic status using a nationally representative sample of students ages 7 to 17. The students represented 11 federal disability categories. Compared with the national norming sample, students in all 11 disability categories had lower math achievement…
Descriptors: Socioeconomic Status, Age Differences, Gender Differences, Racial Differences
Wei, Xin; Marder, Camille – Remedial and Special Education, 2012
Developmental trajectories of two self-concept constructs (self-confidence and importance beliefs) in three domains (academic, social, and self-image) were estimated in a nationally representative sample of approximately 3,500 students with disabilities ages 8 to 17 representing 11 federal disability categories. Students' self-confidence in the…
Descriptors: Learning Disabilities, Racial Differences, Concept Formation, Self Concept