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Morano, Stephanie; Flores, Margaret M.; Hinton, Vanessa; Meyer, Jillian – Exceptionality, 2020
This study compares the effects of a concrete-representational-abstract (CRA) intervention against a modified CRA-Integrated (CRA-I) intervention using a pretest-posttest design with random assignment of matched pairs to intervention conditions. The researchers designed both interventions to improve participants' understanding of and ability to…
Descriptors: Students with Disabilities, Intervention, Mathematical Concepts, Concept Formation
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Mechling, Linda C.; Gustafson, Melissa – Exceptionality, 2009
This study compared the effects of static photographs and video prompts on the independent performance of cooking related tasks by six young adults with moderate intellectual disabilities. An adapted alternating treatment design with baseline and final treatment phase was used to measure the percentage of tasks correctly completed by each student…
Descriptors: Mental Retardation, Prompting, Young Adults, Visual Stimuli