Rapid Online Assessment of Reading (ROAR)
A bridge between the lab, community, and classroom
Jason D. Yeatman, PhD; jyeatman@Stanford.edu
Associate Professor
Graduate School of Education and Department of Psychology, Stanford University
Division of Developmental-Behavioral Pediatrics, Stanford University School of Medicine
ROAR is...
ROAR is...
Mission: Scientific Transparency
Research Practice Partnerships: ~200 schools, across 23 states, and 5 countries.
Goal: Serve 1,000,000 students through research practice partnership model.
Grounded in cognitive neuroscience, rigorously validated in the lab and the school
Validation 1: A Hypothesis Individually-administered Woodcock Johnson (ages 7-18)
Yeatman et al. 2021; Fig. 1
Validation 3: Representative Sample
>600 students across diverse school districts around the US (grades K-12)
Gijbels et al. 2024; Ma et al. 2025
https://roar.stanford.edu/technical/concurrent-validity-swr.html
Validation 2: Young students and tech Individually-administered Woodcock Johnson (ages 6-7)
Yeatman et al. 2021; Fig. 4
Optimized to be reliable, efficient, fun, and engaging
Test-retest reliability optimized based on Item Response Theory
Yeatman et al. 2021; Fig. 3
Reliability
Number of trials (assessment time)
Adaptive order (n=239)
Random order (n=250)
N=489; Grades 1-12
0.9
Ma et al. 2025; Fig. 7
40% Efficiency gain with a new Computer Adaptive Testing (CAT) algorithm
Thank you for helping us realize the goal of building deeper, systemic relationships between research and practice to support the diversity of learners in CA.
https://roar.stanford.edu/