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      Celebrate Math Awareness Month

      Mind

      Quiz: How Happy Are You?

      Answer these 11 simple questions to compare your score with worldwide data

      • By Ingrid Wickelgren on October 28, 2011
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      ABOUT THE AUTHOR(S)

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      Ingrid Wickelgren

      Ingrid Wickelgren is managing editor of Spectrum News, an editorially independent division of the Simons Foundation Autism Research Initiative.

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