Learning From Mistakes Only Works After Age 12, Study Suggests

ScienceDaily (Sep. 25, 2008) — Eight-year-old children have a radically different learning strategy from twelve-year-olds and adults. Eight-year-olds learn primarily from positive feedback ('Well done!'), whereas negative feedback ('Got it wrong this time') scarcely causes any alarm bells to ring. Twelve-year-olds are better able to process negative feedback, and use it to learn from their mistakes.  Adults do the same, but more efficiently.

http://www.sciencedaily.com/releases/2008/09/080925104309.htm
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Larry Jeffryes
NMSTE Membership Chair
http://www.nmste.org
Los Alamos, NM