Outliers: The Story of Success · chapter 4 · id outliers-c4-06-gladwells-concept-of-practical
“Gladwell's concept of 'practical intelligence' draws on Robert Sternberg's triarchic theory of intelligence, which distinguishes analytical, creative, and practical intelligence -- but Sternberg's construct has faced significant criticism for poor measurement validity.”
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Wikipedia: Christopher Langansource alive
Gladwell draws on Sternberg's work to argue that Langan lacked 'practical intelligence' -- the ability to navigate social institutions. Langan never developed the practical intelligence that would have given him opportunities to succeed.
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