Postdoctoral position, 2015-2017, working with Dr. Robert Siegler on children's math learning at Carnegie Mellon University in Pittsburgh, PA, beginning September 1, 2015. The research, which is funded by a new grant from IES, will focus on describing the development of mathematical knowledge in children and on generating means for improving learning. Candidates should have strong knowledge of cognitive development and/or learning research, research methodology, and statistics, as well as great enthusiasm for doing research. Prior knowledge of math development research is desirable but not required. Interested candidates should consult http://www.psy.cmu.edu/~siegler/postdoc15.html for details and/or email Terra Treasure at email@example.com.