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Archive for 'Ideas'

A chess computer learned from scratch and surpassed human knowledge in 4 hours

Filed in Ideas ,Programs ,Research News
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HOW MANY GAMES WAS THAT? AlphaZero is a reinforcement learning (RL) progam that can take a game like chess and given only the rules, can play games against itself and learn how to win. According to several articles, it learned from scratch and surpassed human knowledge of chess in four hours. Specifically, it beat the […]

The Financial Inclusion Challenge

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A COMPETITION FOR THE BEST IDEAS TO IMPROVE FINANCIAL SECURITY Behavioral economists and financial services firms may be interested in The Financial Inclusion Challenge new competition. Financial security is beyond the reach of millions of Americans. Nearly one-fourth of adults can’t pay their monthly bills, and roughly the same number have little or no access […]

2018 Choice Prediction Competition (CPC18)

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WINNERS GET TO BE CO-AUTHORS ON THE PAPER Ori Plonsky, Reut Apel, Ido Erev, Eyal Ert, and Moshe Tennenholtz announce You are invited to participate in the 2018 choice prediction competition (CPC18) for human decision making. The main goal of this competition is to improve our understanding of the ways by which behavioral decision research […]

Random walking

Filed in Encyclopedia ,Ideas ,R
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BAGEL SHOP IDEA I was sitting in a bagel shop on Saturday with my 9 year old daughter. We had brought along hexagonal graph paper and a six sided die. We decided that we would choose a hexagon in the middle of the page and then roll the die to determine a direction: 1 up […]

How long do you need to flip a coin to see a streak?

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STREAK RESULTS FOR LIKELY (>50%) and HIGHLY LIKELY (>99%) Click to enlarge From research on the hot hand to the observation that people don’t create enough streaks when instructed to create pseudo random data, the decision science community is pretty interested in the perception of streaks. One day we got to wonder, how long would […]

WHEN THE REVOLUTION CAME FOR AMY CUDDY

Filed in Gossip ,Ideas ,Research News
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COMPELLING WRITING The New York Times just came out with an article called “When the Revolution Came for Amy Cuddy” which is about the science behind an extremely popular TED Talk, and is also about the replication crisis more generally. As Decision Science News readers, we are confident you will find much to agree within […]

Does cooperation in the prisoner’s dilemma unravel after ridiculously many repeated plays?

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GUEST POST BY SID SURI: MONTH LONG PRISONER’S DILEMMA Figure 1: All the games and random rematchings in one out of the twenty sessions we conducted. Each block of green/red shows a game where green represents cooperation and red represents defect. Curves between the games represent how players were randomly rematched. DSN readers, you are […]

The Society for Judgment and Decision Making (SJDM) now has a blog

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SJDM LAUNCHES THE NEW IT’S YOUR CHOICE BLOG The Society for Judgment and Decision Making (JDM Society) has gone a long time without a web log. They have a journal, a newsletter, and a fine conference, but until recently no blog to call their own. That changes now with the launch of It’s Your Choice, […]

How much will that Texas rain be

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PUTTING 35 INCHES OF RAIN IN PERSPECTIVE We are always interested in putting numbers into perspective, so we were interested in this article in which they put the Hurricane Harvey’s rain into perspective. They’re predicting 30-40 inches of rain in a few days in Texas. They asked an expert to put that into perspective and […]

Five kinds of weather you’ll meet in America

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K-MEANS CLUSTERING, A WORKHORSE OF DATA SCIENCE AND MACHINE LEARNING CLICK TO ENLARGE The USA is a large country. How different are people’s experiences of the weather depending on where they live? To look into this question, we downloaded high temperature data for over 1,300 airport weather stations in the contiguous USA for every day […]