Pacific Coast Research Conference (February 2009) Brian R. Bryant, Diane P. Bryant, Greg Roberts, Sharon Vaughn, Andrea Arthur, Sarojani S. Mohammed, Sun A Kim: The Effects of a Tier 2 Intervention on the Early Numeracy Performance of First-Grade Students with Mathematics Difficulties. ANCOVA and RDD: What We’re Learning
Bryant, B. R., Bryant, D. P., Roberts, G., Vaughn, S., Arthur, A., Mohammed, S. S., & Kim, S. A. (2009). The effects of a Tier 2 intervention on the early numeracy performance of first-grade students with mathematics difficulties. ANCOVA and RDD: What we’re learning.