Reference Resources iconReview Protocols

This What Works Clearinghouse (WWC) review focuses on interventions designed to improve the English language literacy and/or academic achievement of elementary and middle school students (grades K–8) who are English language learners (ELLs). Systematic reviews of evidence in this topic area will address the following question:

  • Which programs for elementary and middle school English language learners increase the English language or academic outcomes (reading or math) of these students?

Table of Contents

  • Overview
  • Eligibility Criteria and Evidence Standards
  • Literature Search Methodology

Protocol Details

  • Version: 2.2
  • Released: January 2013

What is a Protocol?

A review protocol defines the scope of a systematic review. Developed with substantive experts, the protocol defines the parameters for the review, including the research, populations, settings, and outcomes. The protocol also specifies details of the literature search and any topic-specific applications of the design standards.

Protocol versions reflect the version of WWC standards in effect when the protocol was released. Protocol versions that predate the current version of the WWC standards handbook can be used to identify acceptable outcome domains for review within a given topic. The current WWC standards are used to guide the review of studies with acceptable outcomes.

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