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While typical job descriptions break down because they focus on activities, or a list of things a person will be doing (calling on customers, selling), scorecards succeed because they focus on outcomes, or what a person must get done (grow revenue from $25 million to $50 million by the end of year three).
Who
Geoff Smart, Randy Street
In Boston right around the same time, another criminologist did a similar study: Half the crime in the city came from 3.6 percent of the city’s blocks. That made two examples. Weisburd decided to look wherever he could: New York. Seattle. Cincinnati. Sherman looked in Kansas City, Dallas. Anytime someone asked, the two of them would run the numbers. And every place they looked, they saw the same thing: Crime in every city was concentrated in a tiny number of street segments. Weisburd decided to try a foreign city, somewhere entirely different—culturally, geographically, economically. His family was Israeli, so he thought Tel Aviv. Same thing. “I said, ‘Oh my God. Look at that! Why should it be that five percent of the streets in Tel Aviv produce fifty percent of the crime? There’s this thing going on, in places that are so different.’” Weisburd refers to this as the Law of Crime Concentration. Like suicide, crime is tied to very specific places and contexts.
Talking to Strangers
Malcolm Gladwell
Vul and Pashler wanted to find out if the same effect extends to occasion noise: can you get closer to the truth by combining two guesses from the same person, just as you do when you combine the guesses of different people? As they discovered, the answer is yes. Vul and Pashler gave this finding an evocative name: the crowd within.
Noise
Daniel Kahneman, Olivier Sibony, and Cass R. Sunstein
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