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Peltier, Corey; Flores, Margaret M.; Strickland, Tricia K. – Learning Disability Quarterly, 2023
Single-case research design is a useful methodology for evaluating the presence of a functional relation between an intervention and the mathematical performance of students with a learning disability. However, a functional relation cannot be established with threats to internal validity of the design. External validity is impacted if researchers…
Descriptors: Research Design, Intervention, Mathematics Achievement, Students with Disabilities
Schumaker, Jean B.; And Others – 1980
The author argues for an epidemiology data base (which looks at cognitive, aptitude, family condition, school condition, and personal characteristic variables) as a strategy for research with learning disabled (LD) adolescents and young adults. An operational definition, advantages, and problems of this type of research strategy are outlined. A…
Descriptors: Data Collection, Definitions, Learning Disabilities, Research Design
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Raskind, Marshall H.; Gerber, Paul J.; Goldberg, Roberta J.; Higgins, Eleanor L.; Herman, Kenneth L. – Journal of Learning Disabilities, 1998
Synthesizes information from a 1995 international symposium on longitudinal research in learning disabilities. Discussion of generic considerations of longitudinal research is followed by examination of issues specific to learning disabilities including definition, attrition, composition of research teams, ethical concerns, data collection, and…
Descriptors: Conferences, Data Collection, Learning Disabilities, Longitudinal Studies
Sorensen, Nels C.; And Others – 1977
Models used for evaluating teacher education programs are described, particularly the learner referencing educational evaluation model. This model involves ten stages: (1) acquisition of possible teacher training program standards; (2) verification of those standards; (3) generation of specific learner objectives; (4) processing of learner…
Descriptors: Competency Based Teacher Education, Curriculum Evaluation, Data Collection, Elementary Secondary Education