[math-fun] News of the Tautological

"Knowledge of Fractions and Long Division Predicts Long-Term Math Success" http://www.sciencedaily.com/releases/2012/06/120615114057.htm based on a CMU press release about the paper R. S. Siegler, G. J. Duncan, P. E. Davis-Kean, K. Duckworth, A. Claessens, M. Engel, M. I. Susperreguy, M. Chen. Early Predictors of High School Mathematics Achievement. Psychological Science, 2012; DOI: 10.1177/0956797612440101 Rich