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July 21, 2011SES and IQA collaborator pointed out this nice figure (from the paper below), which is pretty self-explanatory, but let me emphasize the fairly wide SES (socioeconomic status) range of families under consideration. If SES were determined solely by household income the four categories in the graph would range from below $20k to above $100k per annum (2003 US income data). Posted by jimz at July 21, 2011 7:35 AM Subscribe to this site via RSS/Atom: Newsletter signup | Send us your ideas Comments
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