Effect size!

http://gemini.gmu.edu/cebcp/EffectSizeCalculator/or-and-rr/or-and-rr.html

http://www.campbellcollaboration.org/resources/effect_size_input.php

http://en.wikipedia.org/wiki/Effect_size

http://www.sciencedirect.com/science/article/pii/S0165027002001218

http://ieeexplore.ieee.org/Xplore/login.jsp?url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F51%2F33759%2F01607673.pdf%3Farnumber%3D1607673&authDecision=-203

http://www.fil.ion.ucl.ac.uk/spm/doc/papers/vb3.pdf

http://afni.nimh.nih.gov/sscc/gangc/statistics.html

http://cognitiveflexibility.org/effectsize/