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NIFDI-Led Research

NIFDI-Led Research

Even though research on Direct Instruction has been available for nearly 50 years, more continues to appear. Current research examines both the effectiveness of Direct Instruction programs and the most effective ways to deliver them.

The recent studies confirm the findings of earlier decades. Efficacy studies continue to find that students in Direct Instruction have higher achievement scores than those using other programs. These results occur with students in general education and those in special education. They occur when comparisons are made to basal texts or to “constructivist” approaches. They occur with preschoolers through adults. They occur with students from many different communities and demographic backgrounds.

NIFDI-led research examines how teachers and schools can be most effective in using Direct Instruction programs. The research confirms the importance of adhering to NIFDI guidelines during implementation. The research also highlights the importance of having strong training and coaching programs for teachers and supportive administrative structures.

Because there is such a large amount of research literature on Direct Instruction, a number of researchers have systematically summarized the findings. These summaries have included both extensive reviews of the literature and statistical meta-analyses. Again, these summaries consistently find strong evidence of Direct Instruction’s effectiveness.

Below, you will find Technical Reports, which were prepared and published by NIFDI, and White Papers, which provide summaries of the literature related to Direct Instruction, as well as analysis and commentary on contemporary issues in education.

Interested in learning how to implement Direct Instruction in your district, school, or home? NIFDI can help. Click a button below to learn more. 

What is a Peer Coach?

Peer coaches play a critical role in sustaining strong implementation of Direct Instruction (DI) at the school level. Selected during the first year of implementation, peer coaches are classroom teachers who demonstrate strong instructional practice, effective communication with colleagues, and a willingness to support others. Because they teach the same programs as their peers, they bring practical expertise and shared experience that help build trust and collaboration across the school.

As implementation progresses, peer coaches extend the impact of NIFDI consultants by providing ongoing, school-based support when consultants are not on-site. Their coaching is non-evaluative and focused on improving student outcomes. Peer coaches reinforce effective teaching practices and guide colleagues to make targeted adjustments that directly impact student performance and behavior.

Peer coaches participate in a structured, multi-year training sequence through NIFDI. Over the course of two to three years, they are trained to analyze student performance data, conduct both brief and extended classroom observations, and support data-driven problem solving. Advanced training prepares them to lead grade-level meetings and contribute to broader instructional planning with school leadership.

By developing peer coaches, schools build internal capacity to maintain and strengthen DI implementation over time—ensuring continuity, supporting new staff, and driving sustained student achievement.