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Doabler, Christian T.; Clarke, Ben; Kosty, Derek; Maddox, Steven A.; Smolkowski, Keith; Fien, Hank; Baker, Scott K.; Kimmel, Georgia L. – Journal of Learning Disabilities, 2021
A concerning number of students enter kindergarten facing an intractable variation of mathematics difficulties (MD). This study investigated the impact of an explicit, core kindergarten mathematics program on the mathematical outcomes of kindergartners who demonstrated risk for severe MD at kindergarten entry and examined whether these students…
Descriptors: Kindergarten, At Risk Students, Mathematics Skills, Mathematics Instruction
Doabler, Christian T.; Clarke, Ben; Kosty, Derek; Maddox, Steven A.; Smolkowski, Keith; Fien, Hank; Baker, Scott K.; Kimmel, Georgia L. – Grantee Submission, 2021
A concerning number of students enter kindergarten facing an intractable variation of mathematics difficulties (MD). This study investigated the impact of an explicit, core kindergarten mathematics program on the mathematical outcomes of kindergartners who demonstrated severe MD at kindergarten entry and examined whether these students improved…
Descriptors: Kindergarten, At Risk Students, Mathematics Skills, Mathematics Instruction
Doabler, Christian T.; Clarke, Ben; Kosty, Derek; Kurtz-Nelson, Evangeline; Fien, Hank; Smolkowski, Keith; Baker, Scott K. – Journal of Learning Disabilities, 2019
Group size and treatment intensity are understudied topics in mathematics intervention research. This study examined whether the treatment intensity and overall intervention effects of an empirically validated Tier 2 mathematics intervention varied between intervention groups with 2:1 and 5:1 student-teacher ratios. Student practice opportunities…
Descriptors: Intervention, Program Effectiveness, Mathematics Instruction, Learning Problems

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