Win a signed copy of Superforecasting!

Posted on Posted in GJ Open

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As we did in July, we’re giving away three copies of Superforecasting: The Art & Science of Prediction signed by Philip E. Tetlock to anyone who forecasts on Good Judgment Open in September.

To enter, simply join GJ Open and make a forecast in the month of September. In the first week of October, we’ll randomly choose three forecasters to receive a signed copy of the book and contact the winners by email.

Congratulations to BillionthChimpadi, and ram1317, who each won a signed copy of the book for forecasting in July!

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