Description Institute of Education Sciences (June 2008) Diane P. Bryant, Brian R. Bryant: Mathematics Interventions: Courage to Risk Citation Bryant, D. P., & Bryant, B. R. (2009). Mathematics interventions: Courage to risk. More by These Authors Gray Oral Reading Test—Fourth Edition Tier 2 Intervention for At-Risk First-Grade Students Within a Response-to-Intervention Model of Support RTI Implementation Among Special Educators: An Observation Study