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Bicknell, Brenda; Young-Loveridge, Jenny; Nguyen, Nhung – Mathematics Education Research Journal, 2016
This design study investigated the use of multiplication and division problems to help 5-year-old children develop an early understanding of multiplication and division. One teacher and her class of 15 5-year-old children were involved in a collaborative partnership with the researchers. The design study was conducted over two 4-week periods in…
Descriptors: Research Design, Young Children, Mathematics Instruction, Numeracy
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Methe, Scott A.; Kilgus, Stephen P.; Neiman, Cheryl; Riley-Tillman, T. Chris – Journal of Behavioral Education, 2012
This study examined interventions for addition and subtraction that were implemented through single-case design (SCD) research studies. We attempted to extend prior SCD meta-analyses by examining differences in effect sizes across several moderating variables and by including a novel index of effect, improvement rate difference (IRD). We also…
Descriptors: Evidence, Intervention, Educational Research, Effect Size