App. A. Study Summary

Part A-App A.Units of Study Etc. Summary Table.doc

The Effectiveness of Sheltered Instruction on English Language Learners in Georgia 4th and 5th Grade Classrooms (SIOP)

App. A. Study Summary

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APPENDIX A


Units of Study, Analysis Variables and Instruments/Measures Used to Answer Each Research Question


Research Question

Unit of Study

Analysis Variables

Instruments/Measures

Key Impact Analysis Questions

  1. Do SIOP-trained teachers score significantly higher on the Standards Performance Continuum (SPC) assessment than do teachers with no SIOP training?

4th and 5th grade teachers in treatment and control schools

Measures of quality of instructional practices aligned to sheltered instruction and proven effective with diverse learners including English learners


SPC Observation Measure



  1. Do ELL students in schools with SIOP-trained teachers score significantly higher than ELL students in schools with non-SIOP-trained teachers on the ACCESS assessment (Georgia's state-adopted English-language proficiency assessment)?

4th and 5th grade ELL students in treatment and control schools

Raw scores, scale scores, and English language proficiency levels scores for:

  • Listening

  • Speaking

  • Reading

  • Writing

  • Oral language (listening & speaking)

  • Literacy (reading & writing

  • Comprehension (reading & listening)

  • Overall (all four language domains)

ACCESS for ELLs

  1. Do ELL students in schools with SIOP-trained teachers score significantly higher than ELL students in schools with non-SIOP-trained teachers on the CRCT five content areas (Georgia’s end-of-year achievement tests)?

4th and 5th grade ELL students in treatment and control schools

Scale score and performance level scores on:

  • Reading

  • English/Language Arts

  • Mathematics

  • Science

  • Social studies

Georgia’s Criterion-Referenced Competency Test (CRCT)




Additional Research Question

4. Do non-ELL students in schools with SIOP-trained teachers score significantly higher than non-ELL students in schools with non-SIOP-trained teachers on the CRCT five content areas (Georgia’s end-of-year achievement tests)?

4th and 5th grade non-ELL students in treatment and control schools

The CRCT variables



Georgia’s Criterion-Referenced Competency Test (CRCT)




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File TitleAppendix X
AuthorAbt Associates Inc.
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File Modified2008-03-17
File Created2008-03-17

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