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Direct linkIan Thomas Carle – ProQuest LLC, 2023
The purpose of this mixed methods study was to investigate the implementation of a researcher-created numberless word problem instructional unit designed to introduce second-grade students to word problems in the semantic category of "compare with the word more, smaller unknown." The 10-day instructional unit incorporated three elements:…
Descriptors: Word Problems (Mathematics), Numbers, Grade 2, Elementary School Mathematics
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 reviewedErbey, Rachel; McLaughlin, T. F.; Derby, K. Mark; Everson, Mary – International Electronic Journal of Elementary Education, 2011
The purpose of this study was to measure the effects of reading racetrack and flashcards when teaching phonics, sight words, and addition facts. The participants for the sight word and phonics portion of this study were two seven-year-old boys in the second grade. Both participants were diagnosed with a learning disability. The third participant…
Descriptors: Visual Aids, Reading Instruction, Teaching Methods, Phonics
