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Look at Choice No. 1 below. Each gamble can be thought of as
a container that holds exactly 100 tickets. The tickets are all identical, but they
have different cash prizes printed on them. You get to choose the
container from which a ticket will be drawn randomly. You win
the amount of money printed on the ticket. Which gamble would
you rather play?
The First Gamble in this choice (on the left) has 50 tickets that win $100 and 50 that win
$0. If someone chooses the First Gamble, half the time they would draw a ticket
that pays $0 and half the time they would draw a ticket to win $100.
But in this study, you only get to play a gamble once, so the prize will
be either $0 or $100.
The Second Gamble (on the right) has 100 tickets also, but 50 of these win
$25 and 50 of them win $35. The second gamble thus guarantees at least $25, but the most you
can win is $35.
Some people will prefer the First Gamble and some will prefer the Second Gamble. To mark your
choice, click the button next to First or Second Gamble. Notice that the dot next to No. 1 will
empty and fill in the button next to your choice.
Your task is to work through these choices at a steady pace, while being as careful as you can
to click the gamble that you would rather play. We are measuring the time it takes to make
each choice, but you should read each gamble carefully and decide which gamble is
better, in your opinion. Accuracy is more important than speed, but you should work through all 31 choices without taking a
a break and without making any errors. After you make each choice, click the "next trial"
to start the timer and display the next choice. You can change your choice by clicking
the gamble you prefer to play, but do not go back after you have clicked the
"next trial" link.
On May 20, 2009, after people have finished their choices, three
people will be selected randomly to play one gamble for real money. One trial
will be selected randomly from all of the trials, and if you were one of these lucky people,
you will get to play the gamble you chose on the trial selected. You might win
as much as $100. Any one of the choices might be the one you get to play, so
Please read the above instructions again and then click here to continue.
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