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The overarching goal of Dr. Harn’s research focuses on answering one fundamental question: How do we accelerate learning for students with early and significant achievement disparities?  Through experimental and correlational research, she investigates methods to improve instructional effectiveness and efficiency organized around three primary questions:  1) What specific types of supports will improve schools’ educational decision making (e.g., data-based decision making, organizing instructional time, etc.);  2) What instructional variables can be shown to improve student reading proficiency (e.g., pacing, opportunities to respond, nature of error correction, etc.); 3) How do interventions impact the neural mechanisms of attention in struggling learners (e.g., executive function, self-regulation, etc.).  Dr. Harn conducts, disseminates, and refines her research in three contexts: schools, teacher preparation, and doctoral training and leadership.