Efficacy of a tier 2 supplemental root word vocabulary and decoding intervention with kindergarten Spanish-speaking english learners

J. Ron Nelson, Patricia F. Vadasy, Elizabeth A. Sanders

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The purpose of this study was to test the efficacy of a Tier 2 standard protocol supplemental intervention designed simultaneously to develop root word vocabulary and reinforce decoding skills being taught to all students in the core beginning reading program with kindergarten Spanish-speaking English learners (ELs). Participating students were drawn from six public elementary schools in the Midwest. Within classrooms, students were randomly assigned to either the supplemental intervention (treatment) or the specified control condition (i.e., used to control for instructional time and consistency). All instruction in both conditions was delivered by paraeducator tutors and occurred in small groups for approximately 20 min a day, 5 days a week, for 20 weeks (October to April). At posttest, treatment students (n = 93) in the experimental condition significantly outperformed controls (n = 92) on a proximal (i.e., linked directly with the instructional focus of the intervention) measure of root word vocabulary (d = 1.04) and word reading (d = 0.69). Treatment students did not significantly outperform controls on a distal (i.e., not linked directly to the instructional focus of the intervention) measure of reading vocabulary (d = 0.38). The results, practical importance, and limitations are discussed.

Original languageEnglish (US)
Pages (from-to)184-211
Number of pages28
JournalJournal of Literacy Research
Volume43
Issue number2
DOIs
StatePublished - Jun 22 2011

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kindergarten
speaking
vocabulary
student
tutor
small group
elementary school
English Learners
Kindergarten
Root Words
Decoding
Efficacy
Vocabulary
instruction
classroom

Keywords

  • Decoding
  • English learners
  • Kindergarten
  • Tier 2
  • Vocabulary

ASJC Scopus subject areas

  • Education
  • Language and Linguistics
  • Linguistics and Language

Cite this

Efficacy of a tier 2 supplemental root word vocabulary and decoding intervention with kindergarten Spanish-speaking english learners. / Nelson, J. Ron; Vadasy, Patricia F.; Sanders, Elizabeth A.

In: Journal of Literacy Research, Vol. 43, No. 2, 22.06.2011, p. 184-211.

Research output: Contribution to journalArticle

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