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Clarke, Ben; Doabler, Christian T.; Turtura, Jessica; Smolkowski, Keith; Kosty, Derek B.; Sutherland, Marah; Kurtz-Nelson, Evangeline; Fien, Hank; Baker, Scott K. – Elementary School Journal, 2020
This study examined whether the efficacy of ROOTS, a 50-lesson mathematics intervention program focused on whole number concepts for at-risk kindergarten students, differed by group size and whether initial skill moderated intervention effects by group size. The study utilized a randomized block design with at-risk students (n = 1,251) within…
Descriptors: Program Effectiveness, Kindergarten, Mathematics Instruction, Intervention
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Doabler, Christian T.; Baker, Scott K.; Kosty, Derek B.; Smolkowski, Keith; Clarke, Ben; Miller, Saralyn J.; Fien, Hank – Elementary School Journal, 2015
Explicit instruction is a systematic instructional approach that facilitates frequent and meaningful instructional interactions between teachers and students around critical academic content. This study examined the relationship between student mathematics outcomes and the rate and quality of explicit instructional interactions that occur during…
Descriptors: Mathematics Instruction, Teaching Methods, Interaction, Teacher Student Relationship
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Clarke, Ben; Smolkowski, Keith; Baker, Scott K.; Fien, Hank; Doabler, Christian T.; Chard, David J. – Elementary School Journal, 2011
This study examined the efficacy of a core kindergarten mathematics program, ELM, a 120-lesson comprehensive curriculum providing instruction in (a) number operations, (b) geometry, (c) measurement, and (d) vocabulary. ELM is designed to address the learning needs of all students, including at-risk students in the general education or Tier I…
Descriptors: Achievement Gap, Mathematics Achievement, Pretests Posttests, At Risk Students