Douglas Clements
- Faculty profile: http://morgridge.du.edu/staff-members/clements-douglas/
- Faculty portfolio: http://portfolio.du.edu/dclemen9
- Google Scholar profile: http://scholar.google.com/citations?user=BM8XL1UAAAAJ
- Academia.edu profile: http://udenver.academia.edu/DouglasClements
- ResearchGate profile: http://www.researchgate.net/profile/Douglas_Clements
Publications
Sarama, J., Clements, D. H., Barrett, J., Van Dine, D. W., & McDonel, J. S. (2011). Evaluation of a learning trajectory for length in the early years. ZDM, 43(5), 667–680. doi:10.1007/s11858-011-0326-5
Sarama, J., & Clements, D. H. (2010). Preschool mathematics curricula. In B. J. Reys, R. E. Reys, & R. Rubenstein (Eds.), Mathematics curriculum: Issues, trends, and future directions: Seventy-second yearbook (pp. 115–126). Reston, VA: National Council of Teachers of Mathematics.
Clements, D. H., & Sarama, J. (2007). Early childhood mathematics learning. In F. K. Lester (Ed.), Second handbook of research on mathematics teaching and learning (pp. 461–555). Charlotte, NC: Information Age.
Clements, D. H., & Sarama, J. (2004). Learning trajectories in mathematics education. Mathematical Thinking and Learning, 6(2), 81–89. doi:10.1207/s15327833mtl0602_1