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Witzel, Bradley S.; Mercer, Cecil D.; Miller, M. David – Learning Disabilities: Research & Practice, 2003
Sixth- and seventh-grade students (n=68) with learning disabilities in mathematics received either concrete-to-representational-to-abstract (CRA) or traditional instruction in algebraic transformation equations. Students receiving the CRA instruction outperformed peers receiving traditional instruction on both post-instruction and follow-up tests…
Descriptors: Algebra, Instructional Effectiveness, Learning Disabilities, Maintenance

Mathes, Patricia G.; Babyak, Allison E. – Learning Disabilities: Research & Practice, 2001
A study involving 28 teachers found Peer-Assisted Literacy Strategies (PALS) enhanced reading performance of first-grade students, although not equally for all learner types. Students who were low-achieving who participated in both PALS and teacher-directed small-group mini-lessons benefited more greatly than students who participated only in…
Descriptors: Beginning Reading, Cooperative Learning, Elementary Education, Learning Disabilities

Stecker, Pamela M.; Fuchs, Lynn S. – Learning Disabilities: Research & Practice, 2000
Special education teachers (N=22) monitored the mathematics progress of 42 students (grades 2-8) with mild to moderate disabilities (mostly learning disabilities) for 20 weeks using curriculum-based measurement (CBM). Evaluation of instructional adjustments based on individual CBM results found that students whose instruction had been individually…
Descriptors: Curriculum Based Assessment, Diagnostic Teaching, Elementary Education, Individualized Instruction

Butler, Frances M.; Miller, Susan P.; Crehan, Kevin; Babbitt, Beatrice; Pierce, Thomas – Learning Disabilities: Research & Practice, 2003
This study compared effectiveness of either a concrete-representational-abstract (CRA) or a representational-abstract (RA) instructional sequence in teaching fraction concepts to 50 middle school students with mathematics disabilities. On all achievement measures, students in the CRA group had overall higher mean scores than did students in the RA…
Descriptors: Fractions, Instructional Effectiveness, Learning Disabilities, Manipulative Materials