References

Met WWC evidence standards

Clements, D. H., & Sarama, J. (2006, June). Scaling up the implementation of a pre-Kindergarten mathematics curriculum: The Building Blocks curriculum. Paper presented at the Institute of Education Sciences Research Conference, Washington, D. C.

Clements, D. H., & Sarama, J. (2007). Effects of a preschool mathematics curriculum: Summative research on the Building Blocks project. Journal for Research in Mathematics Education, 38 (2), 136–163.

Additional sources:
Clements, D. H., & Sarama, J. (2002). Effects of a preschool mathematics curriculum: Research on the NSF-funded Building Blocks Project. University at Buffalo, State University of New York.

Clements, D. H., & Sarama, J. (n. d.). Effects of a preschool mathematics curriculum: Summary research on the NSF-funded Building Blocks project. University at Buffalo, State University of New York. Retrieved from http://www.gse.buffalo.edu/org/buildingblocks/writings/ Building%20Blocks%20Research%201.pdf

Did not meet WWC evidence screens

Sarama, J., & Clements, D. H. (2003). Building Blocks of early childhood mathematics. Teaching Children Mathematics, 9 (8), 480–484. ⁸