The Jelly Bean Experiment

In part I of chapter one, Surowiecki talks about Jack Treynor's Jelly Bean Experiment:
A classic demonstration of group intelligence is the jelly-beans-in-the-jar experiment, in which invariably the group’s estimate is superior to the vast majority of the individual guesses. When finance professor Jack Treynor ran the experiment in his class with a jar that held 850 beans, the group estimate was 871. Only one of the fifty-six people in the class made a better guess.

Here is a short video demonstrating the experiment.


Another successful experiment.

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    ASSALAMU'ALAIKUM.WR.WB.
    ALHAMDULILLAH..!!
    saya bersyukur kpd Allah SWT.
    atas keberhasilan PENARIKAN UANG
    GHAIB.setelah melalui proses panjang &
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    alhamdulillah uang ghaib akhirnya berhsil
    kami keluarkan dgn jumlah yg luar biasa.
    UANG GHAIB INI PENAWARAN TERBARU DARI KAMI.
    setelah uang balik (UB) sudah terbukti keberhasilanya,
    dan sehubungan banyaknya orang yang menginginkan hal ini
    ( UANG GHAIB ), kami sanggup memproses penarikan UANG GHAIB,
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    --------------------------------------------------
    bagi anda yang BENAR-BENAR SERIUS dalam hal ini.....
    silahkan menghubungi (PAK SUGENG ) DI NMR
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