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Archive for 'Ideas'

How large is the great Pacific garbage patch?

Filed in Encyclopedia ,Ideas
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1.6 MILLION SQUARE KILOMETERS OF GARBAGE IN PERSPECTIVE This Nature Scientific Reports article gives an update on the size of the Great Pacific Garbage Patch. It is estimated to be four to 16 times larger than previously estimated: 1.6 million square kilometers. While the article does show the patch along with latitude and longitude lines […]

Sweater weather

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REGIONAL DIFFERENCES We came across this weather.com story on what people consider “sweater weather” in different states, and thought that the topic seemed just silly enough to be of interest to decision science news readers. Not much value we can add here. How about some stats? Mean sweater weather: 58.6 F (14.8 C) Max sweater […]

You probably underestimate the populations of Eastern states and the areas of Western states

Filed in Articles ,Encyclopedia ,Ideas ,Programs ,Research News
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NEW PAPER, NEW PRODUCT FEATURE USING PERSPECTIVE PHRASES Click to enlarge As mentioned a few times in past posts, we’ve been doing research on how “perspective sentences,” for example “Israel is about the size of New Jersey in area and population” helps Americans comprehend measurements beyond simply saying “Israel has an area of 20,770 square […]

At last, an affordable quincunx

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EXPERIENCE THE BINOMIAL AND NORMAL DISTRIBUTIONS The Random Walker is an inexpensive mini quincunx Every since taking Stephen M. Stigler’s class on the history of statistics at Chicago, we’ve been wanting to get our hands on a quincunx. A quincunx, also referred to as a Galton Board or bean machine (*) is one of these, […]

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

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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

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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

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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 […]