Reference Resources iconReview Protocols
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This What Works Clearinghouse (WWC) review focuses on science interventions designed to impact student achievement, including curriculum-based interventions, instructional techniques, and products designed to deliver content and monitor student progress. Systematic reviews of evidence in Science address the following questions:

  • Which interventions are effective in increasing students’ learning of science content, processes, and skills?
  • Are some interventions more effective for certain types of students, particularly students who are members of traditionally underserved populations in science education?

In this review, a science intervention is defined as a replicable instructional program, practice, or strategy that clearly delineates science learning goals for students and is designed to directly affect student science achievement.

Outcomes that fall in the science achievement domain are those related to science content and skills, commonly described as what students should know and be able to do. Science content varies across curricula and grade levels, but it generally includes life science, Earth/space science, and physical science. Science processes and skills are the application of the learning of this content, as well as a demonstrated understanding of science concepts and procedures and science inquiry.


Table of Contents

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

Protocol Details

  • Version: 2.0
  • Released: February 2012

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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