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Download full textDeke, John; Dragoset, Lisa – Mathematica Policy Research, Inc., 2012
The regression discontinuity design (RDD) has the potential to yield findings with causal validity approaching that of the randomized controlled trial (RCT). However, Schochet (2008a) estimated that, on average, an RDD study of an education intervention would need to include three to four times as many schools or students as an RCT to produce…
Descriptors: Research Design, Elementary Secondary Education, Regression (Statistics), Educational Research
Peer reviewed
Direct linkSavage, Robert; Abrami, Philip C.; Piquette, Noella; Wood, Eileen; Deleveaux, Gia; Sanghera-Sidhu, Sukhbinder; Burgos, Giovani – Journal of Educational Psychology, 2013
This report describes a cluster randomized control trial (RCT) intervention study of the effectiveness of the ABRACADABRA (ABRA) Web-based literacy system using a classroom-level RCT intervention with 1,067 children in 74 kindergarten and Grade 1 or Grade 1/2 classrooms across Canada. The authors closely followed the CONSORT criteria for executing…
Descriptors: Foreign Countries, Educational Research, Research Design, Early Reading
Wonder-McDowell, Carla; Reutzel, D. Ray; Smith, John A. – Elementary School Journal, 2011
The purpose of this study was to explore the effects of aligning classroom core reading instruction with the supplementary reading instruction provided to 133 struggling grade 2 readers. A 2-group, pre-posttest true experimental design was employed in this study. In 11 elementary schools, 12 teachers taught both the aligned and unaligned core and…
Descriptors: Reading Instruction, Elementary Education, Reading Difficulties, Special Needs Students
Suggate, Sebastian Paul – Developmental Psychology, 2010
Despite impressive advances in the science of reading intervention, how to best help at-risk readers remains a point of contention. Because reading represents the synthesis of background factors and language and reading skills--all of which develop with age and experience--this meta-analysis investigated whether development (as approximated by…
Descriptors: Control Groups, Research Design, Intervention, Effect Size
Borman, Geoffrey D.; Slavin, Robert E.; Cheung, Alan C. K.; Chamberlain, Anne M.; Madden, Nancy A.; Chambers, Bette – American Educational Research Journal, 2007
Using a cluster randomization design, schools were randomly assigned to implement Success for All, a comprehensive reading reform model, or control methods. This article reports final literacy outcomes for a 3-year longitudinal sample of children who participated in the treatment or control condition from kindergarten through second grade and a…
Descriptors: Academic Achievement, Literacy, Grade 2, Grade 1
Heller, Joan I.; Curtis, Deborah A.; Rabe-Hesketh, Sophia; Verboncoeur, Carol J. – Online Submission, 2007
This study was designed to assess the impact of "Mathematics Pathways and Pitfalls" ("MPP") on the mathematics that second-, fourth-, and sixth-grade students learn. The specific research questions that were addressed are: (a) What is the impact of "MPP" on students' knowledge of the mathematics topics addressed,…
Descriptors: Program Effectiveness, Grade 4, Grade 6, Research Design
Ashcroft, Laura – Preventing School Failure, 2004
A case study of a child who was a part of a larger reading-practice research study is presented. Data analysis from the larger study yielded a strong effect size for children in the experimental group who used decodable text for reading practice. The pre- and posttest scores of one child included in the treatment were not used in the statistical…
Descriptors: Prevention, Text Structure, Reader Text Relationship, Readability
